No, she was created by Delilah to be Blot's companion
(Important lore: Arthur was the one who got the idea for blot jr, and Delilah threatened Arthur that if Blot Jr messed up in any way she'd be a scrapped toon and her ichor would be used for other projects - so she and Delilah are kinda awkward about each other)
It's more of a one sided bad relationship, Bassie is jealous of Cocoa because Delilah is trying to replace Bassie with Cocoa. Cocoa is unaware of this however, and continues to be casually sweet to Bassie
