Houndour evolves at level 24, but to get Houndour, you first have to catch Houndoom and let him breed.
Arbok does not evolve
level it to level 30
Haunter at level 25
Croagunk will attempt to evolve starting at Level 37.
chose piplup and evolve it at level 16 or 15
It only evolves through trade.
huanter evolves to gengar when you trade it to some one (you would then need to trade it back of course )
It will evolve at level 48
it will evolve at level 21
Pachirisu does not evolve :(
Arbok does not evolve
level them up
level 44
at level 20
Level 40.
Level 10
level 25