Viridian City is the second town in Pokémon Red, Pokémon Blue, Pokémon Yellow, Pokémon Fire Red and Pokémon Leaf Green. There is an old man that triggers the Missingno glitch in Red and Blue. The Viridian Gym Leader is Giovanni, the Team Rocket leader. You can only battle him after you've beaten Team Rocket in Saffron, and you've beaten the 7th Gym at Cinnabar Island He uses Ground Type Pokémon.
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