This is a list of people that have TYCs. It's very up-to date!
Angus Chen: Mask of Restrict
Genki H.: Tyrant Dragon and Ra
Alex F.: Osiris
Lilus:
Alex T.: Demon Skull
Hei Ling: Total Defence General
Jake Hawkins: Chaos Magichan
Me: Slifer
Ryan (might): (don't know)