Mudkip is a Water type Pokemon. You can get it as a starter. Mudkip evolves in to Marshtomp at level 16 and it is a Water/Ground type Pokemon. Marshtomp evolves later at level 36 to Swampert, a Water/Ground type.

One of the best moves are Mud Shot, Earthquake, Blizzard, and Surf. Note: When you get Muddy Water, replace Water Gun with it. Then, when you get Surf, replace Muddy Water with it.