Train Aron.
You cannot just go out and catch an Aggron but you can get a Lairon to evolve when it is a somewhere between lv.40 and lv.45.
Aggron is a Rock and Steel type pokemon.
Aggron is a steel type Pokemon
aggron is weaker than heatran by a mile simply because heatran is a legendary Pokemon
His known Pokemon are Aron, and Aggron.
Level 29 in PLATINUM
The first Pokemon were Aggron and Arbok.
Heck yeah
Lairon or Aggron
lairon evolves to aggron at lvl. 42 and aggron does not evolve
AGGRON! Rampardos's Attack is higher but his defenses are absolutely horrible.
Aggron is #306 in the national pokedex, and it is a Steel-Rock type Pokemon.