you have to beat the game then it will explain how.
to play as a Pokemon you need Pokemon Mystery Dungeon.... Red Rescue Team Blue Rescue Team Shadows of Darkness Shadows of Time or a special Pokemon Hack.
Pokemon Red Rescue Team is a GBA game pak, while Pokemon Blue Rescue Team is a DS game card. You can only play Red Rescue Team with a Gameboy Advanced (GBA) or Gameboy Advanced Special (GBA SP), but you can play both games with a DS.
you can get it online
playr.org
you can't clone in red rescue team
in blue rescue team you are a pokemon, so you cant catch pokemon, you are friends with them.
try Pokemon mystery dungeon red rescue team or blue rescue team
Restart the game and play it with a different team.
Pokemon: Red Rescue Team is played on the GameBoy Advance. Pokemon: Blue Rescue Team is played on the Nintendo DS. There are many small differences besides this.
Not initially, but once you beat the game you can play as any Pokemon you've recruited to your team, including Larvitar.
you can't i think i have completed the game but i think it can't
You can't catch pokemon in red rescue team. You can battle them and they might join your team. The odds of it happening are random.