First, you must have defeated Red at Mt. Silver. Then, go to Professor Oak's lab. He will allow you to choose a Kanto Starter Pokemon (you must choose squirtle to get Blastoise). Choose squirtle and level it up to level 36 to evolve it into a Blastoise.
squirtle, woreturtle and blastoise
He's on top of Mt. Silver. He has pikachu, charizard, venasuaur, blastoise, lapras and snorlax.
he has pikachu, charizard, venosaur, lapras, blastoise and snorlax but be careful because he is at the top of mt. silver and all of his pokemons levels are in the 80s.
Blastoise,Pikachu,Venasour,Charizard,Lapras,and Snorlax
Red is a trainer on top of Mt. Silver who has a Pikachu Lv88, a Blastoise, Charizard, and Venasaur Lv84, a Snorlax and Laparas Lv82.
Never in any Pokemon game can you catch a starter but hold on if you migrate a blastoise and charizard from firered or leafgreen to soul silver and then go to the pal park you can catch it.
Pikachu (Lv88) Lapras (Lv80) Snorlax (Lv82) Venusaur (Lv84) Charizard (Lv84) Blastoise (Lv84)
Squirtle evolves at lvl 16 into Wartortle and Wartortle evolves at lvl 36 into Blastoise.
red in heart gold ans soul silver as his Pokemon are pikachu 88 lapras 80 blastoise 84 snorlax 82 venasaur 84 charazard 84
Pikachu lvl 88, Snorlax lvl 82, Lapras lvl 80, Venusaur, Charizard and Blastoise, all lvl 84. Not 100 % sure of the levels, so correct me if I'm wrong.
u battle blue and red red=ash blue=Gary red's Pokemon r pikachu venasur charzard blastoise snorlax lapras
in soul silver