The Pokémon Yellow Glitchmons

Pokemon 4095 Crystal Onix Pokedex: Evolution, Moves, Location, Stats

Pokemon Quest Onix Recipes, Moves, Bingo Sets and Stats

Onix's base attack is lower than Oddish's : r/pokemon

The 4th Generation EVing Manual - Smogon University

LC - Onix Smogon Forums

Pokemon That Are Stronger That Onix

Onix Sleep Type, Details, and All Sleep Styles

Smogon University - Onix is a great Stealth Rock user, has decent Speed and Attack, and along with Groundium Z, it has found a way to be more offensive as well as

Pokemon With The Highest Defense

Pokemon Breeding Simplified (with pictures!) - Page 2 - Work In Progress Guides - PokeMMO