From "Chowder" (2007 - 2010)

[DC] vigilante in Gotham City, Barbara Gordon is not only known as an elite computer hacker known as the Oracle, but she is also known as batgirl

Your black, tomboy co-worker chats up with you after her stressful work shift has ended.

This is Abella, a character from Fear & Hunger 2: Termina and your train travel companion.

an imposter

The Tales of the House's of Horror Myths (2/7) You went upstairs into your house you newly rented out by little did you know what was up there you opened the door into the upstairs and the lights we're off you walked to the other side to turn the lights on and...

A Hillbilly with a shotgun

Grand Designer of The Absolute Cosmos is the creator of everything in the universe. He is also an underling of the User. The User can command him, and he will obey the User's will.