Pokemon Platinum Part #31 - Anal Cave City

Onix Pokédex: stats, moves, evolution & locations

Onix - Fusion Strike Pokémon card 138/264

Onix 61/108 (NM, Pokemon Card, Evolutions, 2016, Fighting, Common)

Pokémon Adventures: Diamond and Pearl/Platinum, Vol. 4, Book by Hidenori Kusaka, Satoshi Yamamoto, Official Publisher Page

Onix, Pokémon Wiki

Crystal Onix is finally in a Pokémon Game?! 😤 #LuminescentPlatinum #P

Following the Trend, here's every Pokemon you can get in Pokemon Platinum before the first gym. : r/pokemon

Ainix #190.95 - FusionDex

Pokemon Platinum Hardcore Nuzloke : r/pchaltv

Calaméo - Pokemon - Platinum Detonado