More info on Reliaret: The Evolution of Mustewoop as you can see. It's the waiter ferret Pokemon and the name stems from Reliable and Ferret. Pokedex entry: "When Mustewoops grow up into Reliaret, It's fur forms into something that resembles waiter's clothing and they become very loyal and helps out with chores, and if Reliarets get a break, they'll almost always dance."