What Legendary Pokémon are you by birthday, based on your birthday, a calculation is done to determine what Legendary Pokémon you are. The result is presented in an image including the Pokémon for your birthday. The results are only for entertainment, fun and should not be taken as diagnostic methods or as treatment.
Legendary Pokémon are a group of incredibly rare and often very powerful Pokémon, generally featured prominently in the legends and myths of the Pokémon world.