spiritomb
Rotom is not in the Pearl Pokedex.
Depends which Pokedex you're using. If you're using the Sinnoh Pokedex, 108 is Spiritomb. If you're using the National Pokedex, 108 is Lickitung.
Sneasel is number 144 in the Sinnoh Pokedex.
spiritomb
Number 25 on the pokedex in Pokemon pearl is BUDEW the grass & poison type Pokemon.
In pearl#80 is barboach.
Gachomp is #111 in the Sinnoh Pokedex.
Clamperl is #366 in the national pokedex.
Lickitung is #108 in the national pokedex, and it is a Normal type Pokemon.
Lickilicky is #463 in the national pokedex, and it is a Normal type Pokemon.
Magicarp
http://pokemon.marriland.com/diamond_pearl/pokedex/cherrim