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

Pokemon HeartGold and SoulSilver :: Full Walkthrough

Pokémon HeartGold/SoulSilver (2009)

Single Type The Unapologetic Nerd

Brock Jyger's Rant

Single Type The Unapologetic Nerd

Doing a SoulSilver Nuzlocke. Any tips : r/nuzlocke

Pokemon 8075 Mega Golem Fire Pokedex: Evolution, Moves, Location

I am planning to do an HGSS Trashlocke is this list good? : r/nuzlocke

Pokemon Heartgold and Soulsilver In-Game Tier List (MkII)

In Pokemon, is it ever explained how Brock became a gym leader

Pokemon The Unapologetic Nerd

Pokemon HeartGold & SoulSilver Johto Prima Official Guide