Biography
Featured in the American animated television series Metalocalypse, Dr. Rockzo is a "rock 'n' roll clown". He does cocaine and announces this fact quite loudly and frequently. Dr. Rockzo admits that not only does he use cocaine, but also huffs paint, uses crystal meth, heroin, pain pills, and Oxycontin before finally admitting "I do it all." He talks in a high-pitched voice, which every member of the band except Toki finds irritating. He wears a very tight neon jumpsuit with cutouts that expose almost his entire torso and, in the back, the top of his buttcrack. The rest of his outfit includes a combination cap, long, thick, brightly-colored hair, KISS-like face paint, furry boots, and a spiky red nose. The colors of his clothing and hair change between episodes, but are always gaudy and fluorescent. Without the makeup, he is shown to be a balding Caucasian man with long blond hair.
One of Dr. Rockzo's talents is constructing elaborate and large balloons in a matter of seconds. He has made a Bootsy Collins Space Bass guitar and a large balloon in the shape of Toki's face. He offers to make one for Nathan outside of a police station, which Nathan declines.
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Toki and Dr. Rockzo become friends following Rockzo's first appearance, as Toki has a childhood trust of clowns (he is shown as a child with clown/serial killer John Wayne Gacy). After Ofdensen throws him out of Mordhaus and orders a few Klokateers to beat him, the Tribunal hires Dr. Rockzo to gather information about Dethklok from the inside. Rockzo succeeds in taking numerous pictures of Mordhaus, but is forced to flee when Ofdensen catches him opening a safe in the manager's office.
As revealed in "Cleanzo", Dr. Rockzo's real name is Leonard Rockstein, the trouble-making son of a physical therapist. He became the lead singer of Zazz Blammymatazz, a partying rock band named after the guitarist. They quickly became famous; however, Rockzo insisted on being paid in cocaine. His habit made him increasingly paranoid, and he was eventually fired from the group. After a short-lived solo career, he began his present life as a rock n' roll clown for hire. He was once briefly the star in a reality show, before stealing over 1,000 pounds of cocaine from a police storage facility and going into hiding. The band helps to rehabilitate him in order to get rid of him after he convinces Toki to take him in.
In the beginning of the episode "Cleanzo", Dr. Rockzo is seen in his underwear struggling to eat a cheeseburger, an obvious parody of the David Hasselhoff incident. Dr. Rockzo has also been said to be a parody of Van Halen frontman David Lee Roth (it is later stated in this article that he is a parody of Eddie Van Halen himself, but Roth fits the bill more accurately based on his behavior).
Biography text from Last.fm, available under CC BY-SA.