the beginning
there were several chuck e. cheese designs throughout the 90s, oftentimes several ones being used at once. chuck's first redesign was in 1989, after showbiz pizza time, the owners of a competing pizza place called showbiz pizza, acquired chuck e. cheese in 1984 and merged the two restaurants. this redesign would depict chuck in a tuxedo and featured a more cartoony art style. "tux chuck," as fans call him, was 25 years old according to a trademark pamphlet.
this design alternated with another one, which featured him in a coach outfit. this was supposedly to compete with discovery zone, which was also a family entertainment center.
in 1992, chuck was redesigned once again. the art style was the same, but he was given a more casual and "cool" outfit, causing him to be known as "cool chuck." cool chuck gradually replaced tux/coach chuck. coach chuck was used in marketing logos, while cool chuck's design was used on signage, animatronic clothing, and walkaround mascots. in 1999, tux chuck and cool chuck were both retired.
starting in 1997, a new chuck design was created, reimagining him as a skater to appeal to the youth of the late 90s and 2000s. this design is called "avenger chuck" but no one really knows why. this design was exclusive to commercials at first. however, like cool chuck before him, he slowly phased out his predecessor, fully taking over in about 2004.
chuck's friends also got redesigns to make them look more appealing to 90s/2000s kids.
commercials
as previously mentioned, avenger chuck's first appearance was in commercials. the first commercial to feature him was probably the "cool chuck" commercial from august 1997. these commercials placed an emphasis on how cool chuck e cheese's was, and how cool chuck himself was. i think coolness was important to kids of the 90s but i'm not sure bc i wasn't born yet. he would continue to appear in commercials until 2011. i love these commercials, it's so cute to see animated chuck interacting with the real world around him :3