Cubone.
"Marowak" is the evolved form of a Cubone.
Um... but the only way to get Marowack is to migrate it from LG/FR (Leaf Green/Fire Red, if so) or get a Cubone from a swarm by talking to Dawn's little sister and having the National Dex then evolve it! P.S. I hope I spelled Marowack right!
Vullaby only has one evolved form which is its evolved form of Mandibuzz. Vullaby does not have a second evolved form.
The evolved form of Finneon is Lumineon.
there isn't an evolved form of pacharisu
Buneary's evolved form is Lopunny
The evolved form of Spearow is Fearow.
The evolved form of Pikachu is Raichu.
whynot is thepre evolved form
There isn't any evolved form of aerodactyl.
The evolved form of Houndour is Houndoom. It is a fire/dark type just like its pre-evolved form.
tigrerras evolved form is blade tigrerra.