Now, I'm not up to snuff on my Street Fighter canon, but I'm pretty sure M. Bison is from an "unknown" location, and not Thailand.
If I cared, I'd sleuth it out. But I don't, so I won't.
__________________ Fingerbang:
1.) The sexual act where a finger is inserted into the vagina or anus. Headbang:
1.) To vigorously nod your head up and down.