Colin (the Canned Bum Man) is joined by his mother (played by Greta Lee Jackson) in an advert in Episode 26. She claims that she also woke up in the room with the bums and is now helping Colin with the business (now described as 'a family business'). Somewhat disturbingly, the Red Man has apparently been kissing Colin's mum and in return she says she loves him. In fact, she says that Gavin, the Red Man, is Colin's 'new daddy' which Colin resists, wishing Gavin would instead suffocate to death.
In Bonus Episode 99.91, Greg reveals that Colin's mum was killed by Colin although he will never talk about it on the Grub because 'it is too dark'.