Glefable is not a Pokemon. If you would try and correct your spelling, you'd find it's spelled Clefable and Clefable has no evolution.
Yes Corphish does evolve in Pokémon Pearl.
you can not evolve it
steelix does not evolve
I does not evolve
mightyena doesn't evolve on Pokemon pearl, he doesn't evolve in any Pokemon game!
it doesn't evolve
it doesn't evolve
Machamp can not evolve.
snesel can'NT evolve but can evolve in Pokemon diamond, pearl and platinum snesel can'NT evolve but can evolve in Pokemon diamond, pearl and platinum
No.
no
evolve snorunt evolve snorunt