Shawn: Are we back in business, partner? (quietly) Milo and Otis.
Gus: I get to be Otis?
Shawn: That's a given.
Referencing The Adventures of Milo and Otis (1986). The movie follows two animals, Milo, a cat, and Otis, a dog, who grew up together on the same farm. After being separated while playing, the two animals arduously search for each other.