"Despite the smallness of its body, Totodile’s jaws are very powerful. While the Pokémon may think it is just playfully nipping, its bite has enough power to cause serious injury."
Totodile was a very interesting Pokemon in the anime, as well as the games. In the anime, the Totodile Ash met was a very active and happy Pokemon. So much so that both Ash and Misty wanted it, and even battled for it. Ash won the fight, and used Totodile with great efficiency in the Johto region.
Totodile's Basic Attacks are Scratch and Water Gun. It's Special Attacks are Crunch, Aqua Jet and Water Pulse.