From NBC:

An American Airlines flight attendant from South Florida whose YouTube videos poked fun at his airline bosses said Thursday he plans on fighting his termination, NBC Miami reports.
Gailen David, a 24-year veteran of American Airlines who was based in Miami, appeared in drag as the "Aluminum Lady" in the series of videos that took aim at the airline's financial difficulties. The popular videos have received tens of thousands of views.
David also runs a website, dearskysteward.com, where the videos along with articles about American Airlines gossip and airplane etiquette are posted.

Overhead Bin - Flight attendant behind American Airlines parody videos fired