Walrein (Japanese: トドゼルガ Todoseruga) is a Ice/Water-type Pokémon introduced in Generation III that is one of the only Water-types to naturally be able to learn Sheer Cold.
It is a blue sea lion Pokémon with white big tooth outward.It has its back like that of fish.
Walrein evolves from Sealeo at level 44. Walrein is the final form of Spheal.
Walrein made its first appearance under the ownership Team Aqua's grunt in Fight for the Meteorite.