Angry Sulu Kid is a character who mostly appears in GeneBernardinoLawl's AGK series.
GeneBernardinoLawl's AGK series
He was giving the fan name of "Kervin Neinatterson". He first appeared on the episode "How AGK get the super keypower". Which is after Sasha shoot him to his right cheek on "Crazy Ukrainian Kid vs. Angry Sulu Kid".
It revealed that he has a rabbit teeth due to his mother is a bunny.
Silver Panther 2000's AGK series
So far in Silver Panther 2000's AGK series, He made a cameo in episode 2, he will soon make a full appearence in episode 7. Kervin Neinatterson is also a Tritagonist in this series.