Quote Originally Posted by Fynn View Post
Nope! They used to be in gen2, but not anymore. They're really just so coveted because they are ultra rare.
Actually, in Gen 2 they weren't necessarily stronger. Their shininess was determined by IVs, but they weren't Pokémon with max IVs or anything. They had to have IVs of 10 (out of 15) in Speed, Defense, and Special, an IV of 0 or 8 in HP, and one of several different varying Attack IVs. Basically, shiny Pokémon would turn out slightly above average, but nowhere near max stats.