|Abilities||Sturdy, Rock Head, Heavy Metal (Hidden)|
|Episode First Shown in||A Hole Lotta Trouble|
|First Known Owner|
|First Game Appeared in|
|National Dex Number||304|
Aron has a round body, four stubby legs, and a large, round head. Its body is dark gray and its eyes are a pale blue. Some steel armor cover its head, legs, and back, which has a single spike on it. Aron has small openings in its armor. Six on its head, with the two largest being openings for its eyes, and one on either side of the spike on its back.
Jin's Aron was used in battle against Sean in The First Gym Battle.
- Steven's Aron appeared in Vs. Aron and Beldum.
- A horde of Aron appeared in Vs. Aron and Beldum.
- Several Forever Knights used Aron in Knights of Chivalry and The Terminus of Kalos.
- Wild Aron appeared in Vs. Aggron.
- Mud Slap
- Metal Claw
- Iron Defense
- Take Down
- Iron Head
- Metal Sound
- Iron Tail
- Heavy Slam
- Metal Burst