The complete Pokemon RBY pokedex, part 3

Pokémon Name: Nidorino
Type: Poison
Classification: Poison Pin Pokemon
Pokédex Number: 033
Ability: Poison Point and Rivalry
Dream World ability: Hustle
Useful Attacks: Horn Drill
Location Found:
Diamond/Pearl: Route 221, Lake Valor (Poke Radar)
Platinum: Route 221 (Poke Radar)
HG/SS: Evolve Nidoran (M)
Black: Trade, Poke Transfer
White: Evolve Nidoran (M)

The feisty Nidoran becomes a man, gaining larger spikes in the process. His moves are essentially the same, but he's now one step closer to becoming Nidoking, a big bad beastie that can hold his own.

Evolution: From Nidoran (M) at 16, to Nidoking via Moon Stone