Jolteon is a dog Pokemon. It's good against water and flying types. It's bad against ground, rock, grass, and dragon types. If Jolteon is angry, its hairs on its body turn to needles then shoot out for its enemy. Jolteon's speed is remarkable. Most electric types have the best speed ever.
To evolve eevee into this shocking Pokemon, you must train eevee then use a thunder stone to evolve it.