For three days, the PRO forums went into a frenzy. The "Headbutt Man" became an urban legend. Players spent hundreds of hours running through the snow of Route 217, headbutting every single tree sprite in the blizzard. Players sold "guides" on how to spawn him. The market price for Headbutt TMs skyrocketed.
If you use Headbutt on it, you don't get a Pokémon. You get an item called pokémon revolution online wiki
The stream cut out. Speedy’s in-game character, which was standing in Viridian City at the time, was suddenly teleported to the top of Mt. Silver—a place you can't reach without beating all four regions. His character sprite was stuck in a loop, using Headbutt on empty air. For three days, the PRO forums went into a frenzy
If you find missing info, you can register and edit the Wiki yourself (encouraged by the dev team). Players sold "guides" on how to spawn him