Press 2 for Metroid

Well, there aren't that many options for Metroid. Samus Aran is really your only choice... unless you'd like to do something a bit different. Like a humanoid, female Ridley or perhaps the deadly SA-X, the mindless X Parasite copy of Samus. For that matter, you could also select Dark Samus if you want to spice up your life with a bit of danger.

Press 1 for Samus Aran.
Press 2 for a heavily altered Ridley.
Press 3 for SA-X
Press 4 for Dark Samus.