I think a Miltank/Tauros pre-evo would be cool.
Moo-Cow
Height: 1' 6"
Weight: 100 lbs.
Type: Normal
Ability: Oblivious
Evo Line: MooCow-Tauros/Miltank
Habitat: Grassland
Evolves By: Raising friendship up. Evolves into Tauros if boy, Miltank if Girl.
Methods of Obtainment: Breed Female...