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.

***, HMYJG, HMYJG, CIVMALE, STAT_SENSIBLE_GUY, jogger, 1000, 0, null, 9, 9, PED_TYPE_GEN, VOICE_GEN_HMYST, VOICE_GEN_HMYST
***, HFYRI2, HFYRI2, CIVFEMALE, STAT_COWARD, woman, 1000, 1, null, 7, 3, PED_TYPE_GEN, VOICE_GEN_HFYRI, VOICE_GEN_HFYRI




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