Kwiz Kid is a human teenager with sandy hair. He wears a green and black bodysuit with an orange Question mark on his chest. He also wears a mask that resembles Robin's.
He first appeared in the comic . He kidnaps Kitten and the Titans defeat him after they solve the riddles and quizzes that are spread around the city. In the end it turned out that Kwiz Kid was Kitten's new boyfriend, and that he just was using her to lure the Titans to his base. After discovering this, Kitten dumps him and slaps him, only to find out that he had long since escaped, and left a hologram projection of himself in his place. He later appears in the comic, , another comic. He later joins Psimon's team of villains called the Fearsome Five in the comic of the same name where he fought the Titans again and lost.
Kwiz Kid has the power to make quizzes and riddles pop up all over the place, and if the person gets the answer wrong then they cause harm.
He is very similar to the villain, The Riddler, from the Batman series.