Chucks E, A and Z

Chuck E Cheese, Chuck A Cheese, and Chuck Z Cheese are three brothers that were former members of It's All About Oswald!. They have appeared in one episode of Season 2, most of Season 3 and had a cameo in Season 5. CEC has made cameos in both Cmb3 vs. Street Fighter and SC Power Universe vs. Street Fighter, and the 3 Chucks became fighters in SC Power Hour vs. Capcom 2: New Generation of Heroes and returned in SC Power Hour vs. Capcom 3: Fight of Two Worlds, Ultimate SC Power Hour vs. Capcom, and SC Power Hour vs. Capcom: Ultimate, where they are now unlockable instead of being starter characters, like they were in 2 and 3.

Background
Chuck E Cheese is the weakest, Chuck A Cheese is avrage, and Z is the strongest.

Cmb3 vs. Street Fighter
Chuck E Cheese makes a cameo in the first crossover, however, A and Z don't appear at all.

SC Power Universe vs. Street Fighter
Just like in the first crossover game, Chuck E Cheese makes a cameo. Chucks A and Z don't appear again.

Season 2
Chucks E, A and Z make one appearance in Season 2, in Atlantis Cutepantis. They are only mentioned once after the 2nd episode.

SC Power Hour vs. Capcom 2: New Generation of Heroes
After having cameos from CEC himself in CMB3vSF And SPUvSF and being absent from the 3rd game intireley, Chucks E, A and Z make their true debut in the vs. series. Unlike most fighters, the 3 Chucks fight as one, with E doing light attacks and Proton Array, A doing the medium punches and kicks and Shpere Flame, and Z doing heavy attacks and Electric Cage. In an interview, Webmaster said that they were put in the game due to the being unique, despise them only appearing in one Season 2 episode. Chuck E Cheese's design in the game is based on a 1999 CEC Plush.