The Dork Squad

Music Meister, or Darius Chapel is an enemy of Batman and a super-villain who has the power to control people through singing. He also uses a music rod that can fire energy blasts shaped like music sheets. In the Infinite Frontier, Music Meister is Darius Chapel, a music-themed criminal and Green Arrow villain.

Jervis Tetch, the Mad Hatter, was delusional. Since his mental breakdown, he became completely wrapped around his schizophrenic confusions and displayed a very unstable, and borderline personality which was prone to violence, mood swings, over-active emotional reactions, and breakdowns. The Hatter displayed a completely typical trait of a low grip on reality, which was commonly related to people with insanity to the point where he that believed fictional characters were alive and genuinely believed that he was the incarnation of the Alice in Wonderland Character, The Mad Hatter. Tetch carried himself as very weak, absent-minded, and frail, but was more dangerous than expected.

Jonathan Crane was a brilliant psychologist lost his credibility when he obsessively took his experiments too far and descended into madness. Taking on the identity of the Scarecrow, Crane became a super-villain and opponent of the Batman in Gotham City, specializing in psychological tactics and chemicals that induce and manipulate fear.

The Riddler is shown to have an extreme inferiority complex and deep insecurity, constantly seeking to prove himself a worthy villain to other villains and Batman. He attempts to use his intelligence and knowledge of riddles to outwit Batman and show his worthiness as an adversary. However, they all dismiss him and consider him a C-list villain not worthy enough to be considered a threat, much to his annoyance.