Sheila (Elementary, My Dear Sheila)

 was a Sentient, one of the original species from the birth of the Universe. She was made up of sentient Helium atoms, enclosed in a balloon, and is a friend and companion of the masked Mexican wrestler, Senor 105, who she met in Paris.

In (IWN: Elementary, My Dear Sheila) she is almost killed when someone removes the string from her balloon, allowing the helium within to leak out.

Appearances
(IWN: Elementary, My Dear Sheila)