Based on Miss Vanjie from Drag Race. If the art looks like a dude in drag, that's because it is!
Attempting to kill an amalgam of all the materials used in the first challenge - barbie dolls, sponges, pool noodles, etc. Killing the Past would allow her to win the challenge and keep competing.
An opened box of cookies.
Infinite ammo.
Can fire one at a time, or charge to fire the entire clip with a small chance to stun the enemy.
User says "Miss Vanjie" - after a half second, all enemies are stunned and say "Miss Vanjie. Miss... Vanjie"