Geodude or Onix? - Pokémon HeartGold/SoulSilver - Giant Bomb

As part of my team I always like to have a Rock Pokémon. Before now I've always gone with Geodude, but I was thinking of switching for Onix for SoulSi

Brock Concepts - Giant Bomb

Electric Type The Unapologetic Nerd

Bruno's Onix - Bulbapedia, the community-driven Pokémon encyclopedia

Geodude (Pokémon) - Bulbapedia, the community-driven Pokémon

Brock (Character) - Giant Bomb

How to find the Kanto Starters in Pokemon SoulSilver - Quora

Pokémon Gold and Silver (Video Game) - TV Tropes

Pokemon HeartGold and SoulSilver :: Full Walkthrough

Pokemon Onix and geodude 2

How to find Suicune in Pokémon HeartGold or SoulSilver - Quora

HeartGold: Chikorita : r/pokemon