Steven's Aggron is a/ -type Pokémon owned by Steven Stone. It is a powerhouse on his team in both the games and anime, and always packs a diverse moveset to cover many types.
It first appeared in AG022: A Hole Lotta Trouble under the ownership of Steven. It was helping to search for rare stones. Later it helped Ash's friends by blasting off Team Rocket easily with one Hyper Beam, showing off it's immense power.
|Hyper Beam||A Hole Lotta Trouble|
|+ indicates this Pokémon used this move recently.*|
- indicates this Pokémon normally can't use this move.