Origin
McSnurtle is from Earth-C, the Earth that all the DC funny animals end up on.
Dodo and the Frog
For more information see Dodo and The Frog
In the Dodo and the Frog series McSnurtle shows up several times in the Dizzy Dog stories. The first he works at a market and sells Dizzy Dog his groceries. The second time he runs a hotel that is “full of crooks”, and steals money from Dizzy Dog only giving it back when Dizzy shows up with his lawyer. Later McSnurtle sells Bo Bunny and Skinny Fox a trailer, but it turns Bully Bear was sleeping in the back.