To add new peds, use fastman's limit adjuster plugin.

Here is a tutorial:

https://www.youtube.com/watch?v=KSzGUf1qMMo&ab_channel=WhamDieMoe

Add this line into peds.ide file.

***, CWFYFR5, CWFYFR5, CIVFEMALE, STAT_STREET_GIRL, sexywoman, 101, 0, null, 2, 1, PED_TYPE_GEN, VOICE_GEN_CWFYFR1, VOICE_GEN_CWFYFR1
***, DWMYLC3, DWMYLC3, CIVMALE, STAT_STREET_GUY, man, 2, 0, null, 2, 1, PED_TYPE_GEN, VOICE_GEN_DWMYLC1, VOICE_GEN_DWMYLC2
***, DNMYLC2, DNMYLC2, CIVMALE, STAT_TOUGH_GUY, man, 1FFF, 0, man, 2, 1, PED_TYPE_GEN, VOICE_GEN_DNMYLC, VOICE_GEN_DNMYLC
***, DWFOLC2, DWFOLC2, CIVFEMALE, STAT_STREET_GIRL, woman, 1043, 0, null, 1, 10, PED_TYPE_GEN, VOICE_GEN_DWFOLC, VOICE_GEN_DWFOLC
***, WMYBE2, WMYBE2, CIVMALE, STAT_SENSIBLE_GUY, man, 1880, 1, man, 1, 4, PED_TYPE_GEN, VOICE_GEN_WMYBE, VOICE_GEN_WMYBE




Don't forget to enter ID you want ped to have.