These lines below can be added into your existing peds.ymt file if you know how to edit that (only for experienced modders), if not then please use addonpeds mod:

<Item>
      <Name>IG_Russian_Goon_01</Name>
      <PropsName>IG_Russian_Goon_01_p</PropsName>
      <ClipDictionaryName>move_m@generic</ClipDictionaryName>
      <BlendShapeFileName>null</BlendShapeFileName>
      <ExpressionSetName>expr_set_ambient_male</ExpressionSetName>
      <ExpressionDictionaryName>null</ExpressionDictionaryName>
      <ExpressionName>null</ExpressionName>
      <Pedtype>CIVMALE</Pedtype>
      <MovementClipSet>MOVE_M@GANGSTER@GENERIC</MovementClipSet>
      <MovementClipSets/>
      <StrafeClipSet>MOVE_PED_STRAFING</StrafeClipSet>
      <MovementToStrafeClipSet>MOVE_PED_TO_STRAFE</MovementToStrafeClipSet>
      <InjuredStrafeClipSet>MOVE_STRAFE_INJURED</InjuredStrafeClipSet>
      <FullBodyDamageClipSet>DAM_KO</FullBodyDamageClipSet>
      <AdditiveDamageClipSet>DAM_AD</AdditiveDamageClipSet>
      <DefaultGestureClipSet>ANIM_GROUP_GESTURE_M_GENERIC</DefaultGestureClipSet>
      <FacialClipsetGroupName>facial_clipset_group_gen_male</FacialClipsetGroupName>
      <DefaultVisemeClipSet>ANIM_GROUP_VISEMES_M_LO</DefaultVisemeClipSet>
      <SidestepClipSet>CLIP_SET_ID_INVALID</SidestepClipSet>
      <PoseMatcherName>Male</PoseMatcherName>
      <PoseMatcherProneName>Male_prone</PoseMatcherProneName>
      <GetupSetHash>NMBS_SLOW_GETUPS</GetupSetHash>
      <CreatureMetadataName>ambientPed_upperWrinkles</CreatureMetadataName>
      <DecisionMakerName>default</DecisionMakerName>
      <MotionTaskDataSetName>STANDARD_PED</MotionTaskDataSetName>
      <DefaultTaskDataSetName>STANDARD_PED</DefaultTaskDataSetName>
      <PedCapsuleName>STANDARD_MALE</PedCapsuleName>
      <PedLayoutName/>
      <PedComponentSetName/>
      <PedComponentClothName/>
      <PedIKSettingsName/>
      <TaskDataName/>
      <IsStreamedGfx value="false"/>
      <AmbulanceShouldRespondTo value="true"/>
      <CanRideBikeWithNoHelmet value="false"/>
      <CanSpawnInCar value="true"/>
      <IsHeadBlendPed value="false"/>
      <bOnlyBulkyItemVariations value="false"/>
      <RelationshipGroup>CIVMALE</RelationshipGroup>
      <NavCapabilitiesName>STANDARD_PED</NavCapabilitiesName>
      <PerceptionInfo>DEFAULT_PERCEPTION</PerceptionInfo>
      <DefaultBrawlingStyle>BS_AI</DefaultBrawlingStyle>
      <DefaultUnarmedWeapon>WEAPON_UNARMED</DefaultUnarmedWeapon>
      <Personality>YoungAverageToughMan</Personality>
      <CombatInfo>default</CombatInfo>
      <VfxInfoName>VFXPEDINFO_HUMAN_GENERIC</VfxInfoName>
      <AmbientClipsForFlee>FLEE</AmbientClipsForFlee>
      <Radio1>RADIO_GENRE_JAZZ</Radio1>
      <Radio2>RADIO_GENRE_MOTOWN</Radio2>
      <FUpOffset value="0.00000000"/>
      <RUpOffset value="0.00000000"/>
      <FFrontOffset value="0.00000000"/>
      <RFrontOffset value="0.14700000"/>
      <MinActivationImpulse value="20.00000000"/>
      <Stubble value="0.00000000"/>
      <HDDist value="3.00000000"/>
      <TargetingThreatModifier value="1.00000000"/>
      <KilledPerceptionRangeModifer value="-1.00000000"/>
      <Sexiness/>
      <Age value="0"/>
      <MaxPassengersInCar value="0"/>
      <ExternallyDrivenDOFs/>
      <PedVoiceGroup>SILENT_PVG</PedVoiceGroup>
      <AnimalAudioObject/>
      <AbilityType>SAT_BULLET_TIME</AbilityType>
      <ThermalBehaviour>TB_WARM</ThermalBehaviour>
      <SuperlodType>SLOD_HUMAN</SuperlodType>
      <ScenarioPopStreamingSlot>SCENARIO_POP_STREAMING_NORMAL</ScenarioPopStreamingSlot>
      <DefaultSpawningPreference>DSP_NORMAL</DefaultSpawningPreference>
      <DefaultRemoveRangeMultiplier value="1.00000000"/>
      <AllowCloseSpawning value="false"/>
    </Item>
    <Item>
      <Name>IG_Russian_Goon_02</Name>
      <PropsName>null</PropsName>
      <ClipDictionaryName>move_m@generic</ClipDictionaryName>
      <BlendShapeFileName>null</BlendShapeFileName>
      <ExpressionSetName>expr_set_ambient_male</ExpressionSetName>
      <ExpressionDictionaryName>null</ExpressionDictionaryName>
      <ExpressionName>null</ExpressionName>
      <Pedtype>CIVMALE</Pedtype>
      <MovementClipSet>MOVE_M@GANGSTER@GENERIC</MovementClipSet>
      <MovementClipSets/>
      <StrafeClipSet>MOVE_PED_STRAFING</StrafeClipSet>
      <MovementToStrafeClipSet>MOVE_PED_TO_STRAFE</MovementToStrafeClipSet>
      <InjuredStrafeClipSet>MOVE_STRAFE_INJURED</InjuredStrafeClipSet>
      <FullBodyDamageClipSet>DAM_KO</FullBodyDamageClipSet>
      <AdditiveDamageClipSet>DAM_AD</AdditiveDamageClipSet>
      <DefaultGestureClipSet>ANIM_GROUP_GESTURE_M_GENERIC</DefaultGestureClipSet>
      <FacialClipsetGroupName>facial_clipset_group_gen_male</FacialClipsetGroupName>
      <DefaultVisemeClipSet>ANIM_GROUP_VISEMES_M_LO</DefaultVisemeClipSet>
      <SidestepClipSet>CLIP_SET_ID_INVALID</SidestepClipSet>
      <PoseMatcherName>Male</PoseMatcherName>
      <PoseMatcherProneName>Male_prone</PoseMatcherProneName>
      <GetupSetHash>NMBS_SLOW_GETUPS</GetupSetHash>
      <CreatureMetadataName>ambientPed_upperWrinkles</CreatureMetadataName>
      <DecisionMakerName>default</DecisionMakerName>
      <MotionTaskDataSetName>STANDARD_PED</MotionTaskDataSetName>
      <DefaultTaskDataSetName>STANDARD_PED</DefaultTaskDataSetName>
      <PedCapsuleName>STANDARD_MALE</PedCapsuleName>
      <PedLayoutName/>
      <PedComponentSetName/>
      <PedComponentClothName/>
      <PedIKSettingsName/>
      <TaskDataName/>
      <IsStreamedGfx value="false"/>
      <AmbulanceShouldRespondTo value="true"/>
      <CanRideBikeWithNoHelmet value="false"/>
      <CanSpawnInCar value="true"/>
      <IsHeadBlendPed value="false"/>
      <bOnlyBulkyItemVariations value="false"/>
      <RelationshipGroup>CIVMALE</RelationshipGroup>
      <NavCapabilitiesName>STANDARD_PED</NavCapabilitiesName>
      <PerceptionInfo>DEFAULT_PERCEPTION</PerceptionInfo>
      <DefaultBrawlingStyle>BS_AI</DefaultBrawlingStyle>
      <DefaultUnarmedWeapon>WEAPON_UNARMED</DefaultUnarmedWeapon>
      <Personality>YoungAverageToughMan</Personality>
      <CombatInfo>default</CombatInfo>
      <VfxInfoName>VFXPEDINFO_HUMAN_GENERIC</VfxInfoName>
      <AmbientClipsForFlee>FLEE</AmbientClipsForFlee>
      <Radio1>RADIO_GENRE_JAZZ</Radio1>
      <Radio2>RADIO_GENRE_MOTOWN</Radio2>
      <FUpOffset value="0.00000000"/>
      <RUpOffset value="0.00000000"/>
      <FFrontOffset value="0.00000000"/>
      <RFrontOffset value="0.14700000"/>
      <MinActivationImpulse value="20.00000000"/>
      <Stubble value="0.00000000"/>
      <HDDist value="3.00000000"/>
      <TargetingThreatModifier value="1.00000000"/>
      <KilledPerceptionRangeModifer value="-1.00000000"/>
      <Sexiness/>
      <Age value="0"/>
      <MaxPassengersInCar value="0"/>
      <ExternallyDrivenDOFs/>
      <PedVoiceGroup>SILENT_PVG</PedVoiceGroup>
      <AnimalAudioObject/>
      <AbilityType>SAT_BULLET_TIME</AbilityType>
      <ThermalBehaviour>TB_WARM</ThermalBehaviour>
      <SuperlodType>SLOD_HUMAN</SuperlodType>
      <ScenarioPopStreamingSlot>SCENARIO_POP_STREAMING_NORMAL</ScenarioPopStreamingSlot>
      <DefaultSpawningPreference>DSP_NORMAL</DefaultSpawningPreference>
      <DefaultRemoveRangeMultiplier value="1.00000000"/>
      <AllowCloseSpawning value="false"/>
    </Item>
    <Item>
      <Name>IG_Russian_Goon_03</Name>
      <PropsName>null</PropsName>
      <ClipDictionaryName>move_m@generic</ClipDictionaryName>
      <BlendShapeFileName>null</BlendShapeFileName>
      <ExpressionSetName>expr_set_ambient_male</ExpressionSetName>
      <ExpressionDictionaryName>null</ExpressionDictionaryName>
      <ExpressionName>null</ExpressionName>
      <Pedtype>CIVMALE</Pedtype>
      <MovementClipSet>MOVE_M@GANGSTER@GENERIC</MovementClipSet>
      <MovementClipSets/>
      <StrafeClipSet>MOVE_PED_STRAFING</StrafeClipSet>
      <MovementToStrafeClipSet>MOVE_PED_TO_STRAFE</MovementToStrafeClipSet>
      <InjuredStrafeClipSet>MOVE_STRAFE_INJURED</InjuredStrafeClipSet>
      <FullBodyDamageClipSet>DAM_KO</FullBodyDamageClipSet>
      <AdditiveDamageClipSet>DAM_AD</AdditiveDamageClipSet>
      <DefaultGestureClipSet>ANIM_GROUP_GESTURE_M_GENERIC</DefaultGestureClipSet>
      <FacialClipsetGroupName>facial_clipset_group_gen_male</FacialClipsetGroupName>
      <DefaultVisemeClipSet>ANIM_GROUP_VISEMES_M_LO</DefaultVisemeClipSet>
      <SidestepClipSet>CLIP_SET_ID_INVALID</SidestepClipSet>
      <PoseMatcherName>Male</PoseMatcherName>
      <PoseMatcherProneName>Male_prone</PoseMatcherProneName>
      <GetupSetHash>NMBS_SLOW_GETUPS</GetupSetHash>
      <CreatureMetadataName>ambientPed_upperWrinkles</CreatureMetadataName>
      <DecisionMakerName>default</DecisionMakerName>
      <MotionTaskDataSetName>STANDARD_PED</MotionTaskDataSetName>
      <DefaultTaskDataSetName>STANDARD_PED</DefaultTaskDataSetName>
      <PedCapsuleName>STANDARD_MALE</PedCapsuleName>
      <PedLayoutName/>
      <PedComponentSetName/>
      <PedComponentClothName/>
      <PedIKSettingsName/>
      <TaskDataName/>
      <IsStreamedGfx value="false"/>
      <AmbulanceShouldRespondTo value="true"/>
      <CanRideBikeWithNoHelmet value="false"/>
      <CanSpawnInCar value="true"/>
      <IsHeadBlendPed value="false"/>
      <bOnlyBulkyItemVariations value="false"/>
      <RelationshipGroup>CIVMALE</RelationshipGroup>
      <NavCapabilitiesName>STANDARD_PED</NavCapabilitiesName>
      <PerceptionInfo>DEFAULT_PERCEPTION</PerceptionInfo>
      <DefaultBrawlingStyle>BS_AI</DefaultBrawlingStyle>
      <DefaultUnarmedWeapon>WEAPON_UNARMED</DefaultUnarmedWeapon>
      <Personality>YoungAverageToughMan</Personality>
      <CombatInfo>default</CombatInfo>
      <VfxInfoName>VFXPEDINFO_HUMAN_GENERIC</VfxInfoName>
      <AmbientClipsForFlee>FLEE</AmbientClipsForFlee>
      <Radio1>RADIO_GENRE_JAZZ</Radio1>
      <Radio2>RADIO_GENRE_MOTOWN</Radio2>
      <FUpOffset value="0.00000000"/>
      <RUpOffset value="0.00000000"/>
      <FFrontOffset value="0.00000000"/>
      <RFrontOffset value="0.14700000"/>
      <MinActivationImpulse value="20.00000000"/>
      <Stubble value="0.00000000"/>
      <HDDist value="3.00000000"/>
      <TargetingThreatModifier value="1.00000000"/>
      <KilledPerceptionRangeModifer value="-1.00000000"/>
      <Sexiness/>
      <Age value="0"/>
      <MaxPassengersInCar value="0"/>
      <ExternallyDrivenDOFs/>
      <PedVoiceGroup>SILENT_PVG</PedVoiceGroup>
      <AnimalAudioObject/>
      <AbilityType>SAT_BULLET_TIME</AbilityType>
      <ThermalBehaviour>TB_WARM</ThermalBehaviour>
      <SuperlodType>SLOD_HUMAN</SuperlodType>
      <ScenarioPopStreamingSlot>SCENARIO_POP_STREAMING_NORMAL</ScenarioPopStreamingSlot>
      <DefaultSpawningPreference>DSP_NORMAL</DefaultSpawningPreference>
      <DefaultRemoveRangeMultiplier value="1.00000000"/>
      <AllowCloseSpawning value="false"/>
    </Item>
    <Item>
      <Name>IG_Russian_Goon_04</Name>
      <PropsName>null</PropsName>
      <ClipDictionaryName>move_m@generic</ClipDictionaryName>
      <BlendShapeFileName>null</BlendShapeFileName>
      <ExpressionSetName>expr_set_ambient_male</ExpressionSetName>
      <ExpressionDictionaryName>null</ExpressionDictionaryName>
      <ExpressionName>null</ExpressionName>
      <Pedtype>CIVMALE</Pedtype>
      <MovementClipSet>MOVE_M@GANGSTER@GENERIC</MovementClipSet>
      <MovementClipSets/>
      <StrafeClipSet>MOVE_PED_STRAFING</StrafeClipSet>
      <MovementToStrafeClipSet>MOVE_PED_TO_STRAFE</MovementToStrafeClipSet>
      <InjuredStrafeClipSet>MOVE_STRAFE_INJURED</InjuredStrafeClipSet>
      <FullBodyDamageClipSet>DAM_KO</FullBodyDamageClipSet>
      <AdditiveDamageClipSet>DAM_AD</AdditiveDamageClipSet>
      <DefaultGestureClipSet>ANIM_GROUP_GESTURE_M_GENERIC</DefaultGestureClipSet>
      <FacialClipsetGroupName>facial_clipset_group_gen_male</FacialClipsetGroupName>
      <DefaultVisemeClipSet>ANIM_GROUP_VISEMES_M_LO</DefaultVisemeClipSet>
      <SidestepClipSet>CLIP_SET_ID_INVALID</SidestepClipSet>
      <PoseMatcherName>Male</PoseMatcherName>
      <PoseMatcherProneName>Male_prone</PoseMatcherProneName>
      <GetupSetHash>NMBS_SLOW_GETUPS</GetupSetHash>
      <CreatureMetadataName>ambientPed_upperWrinkles</CreatureMetadataName>
      <DecisionMakerName>default</DecisionMakerName>
      <MotionTaskDataSetName>STANDARD_PED</MotionTaskDataSetName>
      <DefaultTaskDataSetName>STANDARD_PED</DefaultTaskDataSetName>
      <PedCapsuleName>STANDARD_MALE</PedCapsuleName>
      <PedLayoutName/>
      <PedComponentSetName/>
      <PedComponentClothName/>
      <PedIKSettingsName/>
      <TaskDataName/>
      <IsStreamedGfx value="false"/>
      <AmbulanceShouldRespondTo value="true"/>
      <CanRideBikeWithNoHelmet value="false"/>
      <CanSpawnInCar value="true"/>
      <IsHeadBlendPed value="false"/>
      <bOnlyBulkyItemVariations value="false"/>
      <RelationshipGroup>CIVMALE</RelationshipGroup>
      <NavCapabilitiesName>STANDARD_PED</NavCapabilitiesName>
      <PerceptionInfo>DEFAULT_PERCEPTION</PerceptionInfo>
      <DefaultBrawlingStyle>BS_AI</DefaultBrawlingStyle>
      <DefaultUnarmedWeapon>WEAPON_UNARMED</DefaultUnarmedWeapon>
      <Personality>YoungAverageToughMan</Personality>
      <CombatInfo>default</CombatInfo>
      <VfxInfoName>VFXPEDINFO_HUMAN_GENERIC</VfxInfoName>
      <AmbientClipsForFlee>FLEE</AmbientClipsForFlee>
      <Radio1>RADIO_GENRE_JAZZ</Radio1>
      <Radio2>RADIO_GENRE_MOTOWN</Radio2>
      <FUpOffset value="0.00000000"/>
      <RUpOffset value="0.00000000"/>
      <FFrontOffset value="0.00000000"/>
      <RFrontOffset value="0.14700000"/>
      <MinActivationImpulse value="20.00000000"/>
      <Stubble value="0.00000000"/>
      <HDDist value="3.00000000"/>
      <TargetingThreatModifier value="1.00000000"/>
      <KilledPerceptionRangeModifer value="-1.00000000"/>
      <Sexiness/>
      <Age value="0"/>
      <MaxPassengersInCar value="0"/>
      <ExternallyDrivenDOFs/>
      <PedVoiceGroup>SILENT_PVG</PedVoiceGroup>
      <AnimalAudioObject/>
      <AbilityType>SAT_BULLET_TIME</AbilityType>
      <ThermalBehaviour>TB_WARM</ThermalBehaviour>
      <SuperlodType>SLOD_HUMAN</SuperlodType>
      <ScenarioPopStreamingSlot>SCENARIO_POP_STREAMING_NORMAL</ScenarioPopStreamingSlot>
      <DefaultSpawningPreference>DSP_NORMAL</DefaultSpawningPreference>
      <DefaultRemoveRangeMultiplier value="1.00000000"/>
      <AllowCloseSpawning value="false"/>
    </Item>