Youtuber Cameos or Create-A-Gent codes

[Hammy Hamilton The Squirrel]

I'm going INSANE trying to find the random cameos of Youtubers! I've been looking all over Youtube for people similar or affiliated with Jesse Cox. So far I know of at least three that are in the game:
1. Jesse Cox
2. Markiplier
3. Jim Sterling
PLEASE, if you find anyone else leave a comment! I'm so curious it's driving me NUTS! (to enter their code, just type there name without the space)

[Pyralspite]

These are all of them, taken straight from the game's code:
jessecox
darkjesse
markiplier
pinkmark
jimsterling
thearistocrat

[AngoraFish]

do any of these add actual new content, or are they just specific load outs based on the default body and clothing sets?