Lydia is a villain from a TV show Danny Phantom. Lydia is Freakshow's loyal ghost sidekick, and the only one to obey him without being hypnotized. Her most notable characteristic is that her body is covered in tattoos that she can bring to life and control. At no point in the episodes she appears in does she say a single word.

She first appeared in "Ghost Controlled", She worked for Freakshow and defeated by the Majestic Guardians.