The level Squirtle evolves into Wartortle Is the exact same level as it was introduced
Lvl 16
then at lvl 36 itll evolve into blastoise
level 18
Squirtle evolves into Wartortle at level 16, then evolves into Blastiose at level 36.
level 16
It evolves at level 16 into Warturtle
Pokemon creater already over
graveler doesnt evolve at a level, you evolve it by trading.
Level 18
Level 20.
level 30
level 28
Level 55
None unless you have a Squirtle (you can have any Pokemon that evolves-Squirtle is a example), keep it from evolving, then at level 99, level him up and let him evolve.