I recommend you those 3 characters

Shin ryu
https://mugenarchive.com/forums/down...-i-swagaming98

Kyo-hero
https://mugenarchive.com/forums/down...o-1-1-jin-jinb

Sagat 3.6(by far the sagat in mugen)
https://mugenarchive.com/forums/down...sagat-3-6-m206


Also look up the authors below, they makes some realy amazing characters.

Infinite
Mr. ansatsuken
Divinewolf
Falcon rapper
Varo hades
Ikaruga
GM
Froz