I'm trying to compile a full list of Nicki's alter-egos and what songs they appear on. If I've missed any, could you please comment? Thanks!
Nicki Minaj---the grandmama of them all!
1. Barbie (The Harajuku Barbie; appeared in "BedRock" and "Monster.")
2. Cookie (Retired; Nicki's childhood alter-ego)
3. Dear Old Nicki (Retired; appeared in We Are Young Money, the mixtapes, and all of Nicki's work before Pink Friday; includes the three sub-alter-egos listed below.)
...a. Nicki Lewinsky
...b. Nicki the Ninja
...c. Nicki the Boss
4. Dexter (Appeared in The Lonely Island's "The Creep.")
5. Lap Dance Nika (Retiring 5/1/2011; appears giving lap dances on the I Am Still Music Tour only.)
6. Martha Zolanski (Appeared on "Roman's Revenge" and in the video for "Moment 4 Life.")
7. Nicki Theresa (She ran around "healing" fans one afternoon; Nicki Theresa hasn't been heard from since.)
8. Onika Maraj
9. Roman Zolanski (Appears in "Roman's Revenge," "Bottoms Up," and "Monster.")
10. Rosa (Appeared on Lopez Tonight.)