That may sound crazy, but I really wanted to create a Pokémon Team only using early game rodents. This is mostly a team for fun, but I came up with a few victories testing it on Showdown. Here we go:
HappyTail (Bibarel) @ Leftovers
Ability: Unaware
EVs: 252 HP / 4 Atk / 252 SpD
Careful...