Open peds.ide file and find these lines:

M_M_EECook,		M_M_EECook_p, 		CIVMALE,		move_m@casual,		GESTURES@MALE,		GESTURES@M_PHONE,	FACIALS@M_LO,		visemes@m_lo,		0, 		move_m@casual,		null,			-1,-1,		PED_TYPE_PLAYER,	M_M_EEcook,	VOICE_PLY_CR
F_Y_PLatin_03,		F_Y_PLatin_03_p,	CIVFEMALE,		move_f@generic,		GESTURES@FEMALE,	GESTURES@F_PHONE,	FACIALS@F_LO,		visemes@f_lo,		0, 		move_f@generic,		null,			5,7,		PED_TYPE_PLAYER,	F_Y_PLatin_03,		VOICE_PLY_CR

Replace them with this, or change the different values manually

M_M_EECook,		M_M_EECook_p, 		CIVMALE,		move_m@casual,		GESTURES@MALE,		GESTURES@M_PHONE,	FACIALS@M_LO,		visemes@m_lo,		0, 		move_m@casual,		null,			-1,-1,		PED_TYPE_PLAYER,	M_M_EE_Heavy_02,	VOICE_PLY_CR
F_Y_PLatin_03,		F_Y_PLatin_03_p,	CIVFEMALE,		move_f@generic,		GESTURES@FEMALE,	GESTURES@F_PHONE,	FACIALS@F_LO,		visemes@f_lo,		0, 		move_f@generic,		null,			5,7,		PED_TYPE_PLAYER,	F_Y_PLatin_01,		VOICE_PLY_CR

Open pedgrp.dat file and get ready to lose some time by adding the following pedestrians:

F_M_PLatin_02, F_Y_PLatin_02, F_Y_PLatin_03 in # POPCYCLE_GROUP_SOUTH_AMERICAN
F_Y_Cdress_01 and F_Y_PManhat_03 in # POPCYCLE_GROUP_UPTOWN and # POPCYCLE_GROUP_MIDTOWN
F_Y_PCool_01 in # POPCYCLE_GROUP_TRENDY
M_M_Alcoholic in # POPCYCLE_GROUP_BUMS (no need if you have installed Liberty Rush).
M_M_Busdriver and M_M_Train_01 in # POPCYCLE_GROUP_AIRPORT_WORKERS
M_M_EECook in # POPCYCLE_GROUP_EASTERN_EUROPEAN
M_M_Shortorder and M_Y_Chopshop_01 in # POPCYCLE_GROUP_BRONX and # POPCYCLE_GROUP_SOUTH_AMERICAN
M_Y_Boho_01 in # POPCYCLE_GROUP_BROOKLYN
M_Y_Mechanic_02 in # POPCYCLE_GROUP_DOCKS and # POPCYCLE_GROUP_FACTORY
M_M_Enforcer in # POPCYCLE_GROUP_ITALIAN and # POPCYCLE_GROUP_GANG_IRISH (no need if you have installed Potential Grim).

TLAD:
Open pedgrp.dat file and add these pedestrians:
F_Y_GRyders_01 in # POPCYCLE_GROUP_GANG_RUSSIAN_2
F_Y_Uptown_01 in # POPCYCLE_GROUP_HARLEM, # POPCYCLE_GROUP_BRONX, # POPCYCLE_GROUP_QUEENS, # POPCYCLE_GROUP_MIDTOWN, # POPCYCLE_GROUP_BOHEMIAN
M_Y_GTriad_Hi_01 and M_Y_GTri_02 in # POPCYCLE_GROUP_GANG_CHINESE_JAPANESE

TBoGT:
Open pedgrp.dat file and add these pedestrians:
M_Y_GTriad_Hi_01 and M_Y_GTri_02 in # POPCYCLE_GROUP_GANG_CHINESE_JAPANESE
M_Y_Uptown_01 in # POPCYCLE_GROUP_HARLEM, # POPCYCLE_GROUP_BRONX, # POPCYCLE_GROUP_QUEENS, # POPCYCLE_GROUP_MIDTOWN, # POPCYCLE_GROUP_BOHEMIAN
M_Y_Mideast_01 in # POPCYCLE_GROUP_MIDTOWN, # POPCYCLE_GROUP_EASTERN_EUROPEAN
M_M_E2maf_01 and M_M_E2maf_02 in # POPCYCLE_GROUP_GANG_ITALIAN
M_Y_E2russian_01, M_Y_E2russian_02, M_Y_E2russian_03 in # POPCYCLE_GROUP_GANG_RUSSIAN_2 (Russian Gang)

Open peds.ide file and find this line:
M_Y_MidEast_01,		M_Y_MidEast_01_p,	CIVMALE,		move_gng@generic_c,	GESTURES@MALE,		GESTURES@M_PHONE,	FACIALS@M_LO,		visemes@m_lo,		0, 		move_gng@generic_c,	null,			7,11,		PED_TYPE_PLAYER,	M_Y_PHarlem_01,	VOICE_PLY_CR

Replace it with this, or change the different parameter manually

M_Y_MidEast_01,		M_Y_MidEast_01_p,	CIVMALE,		move_gng@generic_c,	GESTURES@MALE,		GESTURES@M_PHONE,	FACIALS@M_LO,		visemes@m_lo,		0, 		move_gng@generic_c,	null,			7,11,		PED_TYPE_PLAYER,	RUSSIAN_OVERSEERS,	VOICE_PLY_CR

Open pedpersonality.dat and add these lines in the bottom:
M_Y_MIDEAST_01,   M,   23,   3,   5,   1,   1,   3,   50,   E,   E,   core_moves,   hits_pool,   unarmed_ped,   counters_player,   firearm_core,   -,   -,   move_rubbish,   +drivespoorcar+drivesaveragecar+drivesmotorcycle+onfoot+argue+phoneuser+givebummoney+replytoho+taketaxi+watchfight+softjack+murderrunaway+cancarryweapons+jewish
M_Y_Uptown_01,   M,   23,   2,   1,   1,   1,   3,   50,   E,   E,   core_moves,   hits_pool,   unarmed_ped,   counters_player,   firearm_core,   -,   -,   move_rubbish,   +drivespoorcar+drivesaveragecar+drivesmotorcycle+onfoot+argue+phoneuser+givebummoney+replytoho+taketaxi+watchfight+softjack+murderrunaway+cancarryweapons