His Eevee will become Jolteon if you beat him at Professor Oak's Lab and at the optional battle at Route 22, provided you beat him just at Professor Oak's Lab then his Eevee will become a Flareon and provided your Rival beats you at the Lab and the optional battle on Route 22 or you lose at the lab and you skip the Route 22 battle then your Rival's Eevee will become a Vaporeon.
an eevee
Eevee will not evolve because there has not been a new Pokemon invented in which eevee can evolve into.
Max out Eevee's happiness during the day. ~KKMG1
Eevee is a Pokemon which can evolve into many different Pokemon. It is capable of learning the move Shadowball.
EEVEE GROWLITHE and VULPIX
Ive hear my friends say that in Pokemon yellow you can evolve eevee in a espeon with a moon stone
give it a thunderstone
in Pokemon red, blue, and yellow, you can evolve eevee into flareon, vaporeon, or jolteon, by using on it a fire stone, water stone, or thunder stone respectively. In Pokemon gold silver and crystal, eevee can evolve into the three previous forms mentioned, as well as: umbreon and espeon by leveling up a happy eevee in the evening, or in the daytime respectively.
Its evolve to Vaporeon from eevee
Evolve it from eevee
an eevee
no it cannot it can only evolve into jolteon, vaporeon, and flareon. it is not until gold, silver, and crystal that you can get umbreon and espeon.
Eevee will not evolve because there has not been a new Pokemon invented in which eevee can evolve into.
it can evolve eevee into a flareon.
you can evolve pikachu into Raichu and Eevee into Jolteon
Eevee
eevee