Mr. Clean

"No, we don't want you to clean up garbage, Mr. Clean!" -Captain Sauce

Before episode 1
At some point Mr. Clean moved into a house with Gollum and Psy.

In the main series
Mr. Clean first appeared in episode 1, where he tried to teach Kevin and Gollum about urinal cleaning. After Gollum interrupted him by talking about Llamas, he decided to instead talk about cleaning a Llama's garbage.

In episode 2 he is among the people to attend Kevin's party, despite looking sad.

Kevin Sauce
The two of them seem to get along rather well.

Gollum
Gollum appears to be quite annoyed by Mr. Clean's obsession with cleaning, something that Mr. Clean is unaware of.

Personality and Traits
Mr. Clean is described as "alright, a little self-centered".

Trivia
-He's the only member of his household that never had his relationship with Kevin decrease.