if you are refering to rocky as in Onix, give him the metal coat(hold item) and trade it with one of your friends using the link cable and it will evolve into steelix!!
In pokemon crystal Pigeotto evolve in 36lvl
Slowpoke will evolve at Level 37.
Level 25
level 26
level 30
Mareep will evolve at Level 15 in Pokémon Crystal.
In pokemon crystal Pigeotto evolve in 36lvl
Slowpoke will evolve at Level 37.
Drowzee evolve into Hypno at level 26.
Level 25
level 26
Get it to level 55 to evolve it into dragonite
Miltank doesn't evolve.
Sudowoodo does not evolve. That is its final evolution.
level 22
level 30
The Level When You Get A Life.