How famous is the person above you?

[Carolus Rex]

The boss of a mob, but is actually a bird.

His name is actually Marlow Ebiggs.
And he is actually a woman.
And she is actually now a human.
She is actually a turkey disguised as a human woman disguised as a man disguised as a woman named Marlow Ebiggs disguised as a man named Marlowe Biggs.

It is also from USA.