Can you get togidile in pokemon ruby?

No, you cannot obtain Totodile in Pokémon Ruby. Totodile is a Water-type Pokémon that is exclusive to Pokémon Gold and Silver. In Pokémon Ruby, players can only catch Water-type Pokémon available in the Hoenn region, such as Mudkip, which is the Water-type starter. If you want Totodile, you'll need to trade from a game where it is available.