Speed is a male Jolteon with the pokemon level of 98.He is 19 years old and a rash natured pokemon.He is a Pokémon Champion and a leader of a rescuer team called "Yellow Thunder", and was known as The Yellow Flash because of his speed; attaining 500 mph as a personal limit.He was also known as Yellow the Jolteon, due to the fact that he used that name to enter tournaments. He got his current look after Flare accidentally burnt him with Flamethrower.

Speed the Jolteon is the eldest sibling.He has two younger siblings called Crystal/Kris which a female Vaporeon,and SolarFlare/Flare which is a male Flareon.He is also the adoptive father of a female eevee named sunshine after him and his siblings found her as an egg in an abandoned tree home.Speed tends to be rash and serious sometimes, but when close to his friends he is calm, responsible, and mature. In certain occasions, he may be emotionally unstable. Speed seems to be socially oblivious and doesn't quite know how to talk to strangers, coming off as dense and stupid to many.Being the oldest of his siblings, Speed has a huge responsibility for them and the rest of the gang. He does get in some trouble with fans.