Entei can be found in Pokemon LeafGreen roaming Kanto if the player selected Bulbasaur as his starter pokemon. Entei is a pokemon created by Ho-oh said to represent the fire that burnt down the Brass tower.
MIGRATE IT FROM LEAFGREEN OR FIRE RED
to catch suicune,mewtwo,raikou and entei
You can't. You have to migrate from LeafGreen or FireRed.
mewtow zapdos moltres articuno mew entei raikou suicune
well u must go catch entei suicune and raikou.
You can't, because Entei isn't in Sapphire. You'll have to trade one from FireRed/LeafGreen, where you have to choose Bulbasaur to encounter it.
Entei, Raikou, and Suicune are NOT obtainable in Pokemon Platinum.You will either need to catch them in Firered/Leafgreen and migrate them or trade with someone else that has them.
You must have chosen bulbusaur at the beginning of the game and have the pokedex eventually entei will show up when your in grass. If you didn't choose bulbusaur find someone who did get entei, if you have a Pokemon colosseum you get a shadow entei from the game.
No you cannot catch Entei in Pokemon Emerald.
Yes, he can.
You cannot catch the legendary dogs in Diamond or Pearl, you must migrate from Pokemon LeafGreen, FireRed, Colosseum, or XD.
You cannot. You can transfer it from Pokémon Colosseum or Pokémon FireRed or LeafGreen (provided that your starter was Bulbasaur).