JonTron is a three-buttoned character with no Specials or Hypers, but can summon Jacques (spelt as Jock), use a bomb, and throw a Game Grumps head of himself. Jon also has no A.I., meaning that he will not be much of a challenge for players.
Hovering the mouse cursor over the Command Input icons will display text that refers to the inputs set in M.U.G.E.N's Key Config.
Icons encased in square brackets [ ] require the respective button(s) to be held down. Hovering the mouse cursor over the icon displays the hold duration if applicable.