Ive looked it over again and really I cant find anything in your character list that is keepable with maybe one exception To wit   Aperitif  only appeared in one episode best to just mention it in that episodes summary  Pinians  only appeared in one episode  Wunny Sharbit  Maybe  Melvin Eduardo Harold Sid Doug Slouch Potato Yetis Alligaturtle  only appeared in a couple episodes  Caterpillar through Career  backgroundonly characters without speaking roles not relevant  Whirrls  only appeared in one episode  Crocowolf kangaraccoons  only appeared in one episode Having seen the latter episode the kangaraccoons are only a oneshot gag and not relevant to the plot so they shouldnt be mentioned  Batrdrill to end of list  Again only appeared in one episode each  The oneshots can easily be mentioned in their respective episodes but only if theyre relevant to the plot for instance Aperitif but the episode plot summaries as they stand are kind of long and overlydetailed themselves The article as a whole needs a major rewrite to be more encyclopedic Ten Pound Hammer  and a cluebat