Switchblade is the name given to a Teen Titans ultimate fire demon, used to go under the overlord Trigon before Trigon's defeat and banishment. Before meeting Slenderman, Switchblade worked under Trigon's ruling as one of his many fire demons, him being the biggest and strongest. Before Trigon and his people were wiped out however, Slenderman found and recruited him beforehand, now going under a new leader and getting a new line of work, which is usually as a fire source. It is capable of fire-bending and is able to change its physical appearance by different types of fiery substances. Those different forms include a lightning form that was shown only once when he was assigned to get Azula.
Avatar: New Universe 2
Switchblade first appears with Smile Dog V.2 to go and get Azula. He waited until Azula asks for help to go and skins the guards outside of her prison cell! Next thing is that he melts the metal wall to confront Zuko. He goes on and fights him for a while until Azula zaps him. Thanks to her, he gained a lightning form from the blast and uses it right back at her! after "killing" her, he grabs her and disappears with Azula in his claws.