Pokemon Platinum Unofficial guide - SuperCheats.com

Gen3] shiny Onix in Firered Victory Road w/ repel trick : r/ShinyPokemon

Onix Pokédex: stats, moves, evolution & locations

Pokemon Platinum – Game Notes

Pokemon Renegade Platinum First Gym, Onix Swept : r/nuzlocke

Pokémon Adventures: Diamond and Pearl/Platinum, Vol. 3, Book by Hidenori Kusaka, Satoshi Yamamoto, Official Publisher Page

Onix, Pokémon Wiki

TCG Future Flash - #39 Onix

Pokemon platinum extreme random nuzlocke - Lets Plays/Videos - The Pokemon Insurgence Forums

Onix Reverse - Pokémon Go Pokémon card 036/078

Pokémon Altered Platinum - Sinnohan Forms, Increased Difficulty, and more! - ROM - NDS ROM Hacks - Project Pokemon Forums