Task: Question Answering
Input (English): Passage: A modern-day Texas community is overrun by vicious prehistoric raptors and a group of people try to survive the raptor onslaught at a cattle ranch.In Fossil Ridge, Texas, a reclusive , Dr. Cane experimenting with bird DNA, managed to create several species of carnivorous dinosaurs. One of them gets loose and causes a string of killings, drawing the attention of the police and the FBI who send two agents to investigate.
Abbi Whitecloud, a waitress and aspiring singer whose mother was one of the casualties, is forced to work for her demanding boss, Eddie Wayne to pay off a debt. Entering Fossil Ridge are college buddies Sheldon, Lucas, and "Manbeast", who run out of gas, and touring band Little Willie and the Willettes, who suffer engine trouble. Abbi agrees to take Sheldon and Manbeast to the rancher's property for gasoline. They are accompanied by Willie's drummer, Kolin. The rancher suffers a heart attack and Manbeast is devoured after accidentally releasing the rest of the dinosaurs.
Abbi, Sheldon, and Kolin return to Abbi's house to find her boss there, who is subsequently eaten by a T-rex. It then trashes Abbi's house while going after her and her friends. As they escape, they are chased by a pair of Megalosaurs, but Abbi is able to fend them off with a bow and arrows. They return to the gas station to find Lucas as the only survivor; Willie and Willie's band member, Josie has been killed by raptors. After attempting to escape in Willie's broken down tour bus, they are trapped by the dinosaurs and hide in a store. Kolin finds a book containing the dinosaurs' origins. Lucas is eaten by the T-rex in an attempt to fight it. A few hours later, the others escape the store and make it to a factory while the dinosaurs converge and fight one another, with the Megalosaurus emerging victorious. 
Question: Who is the college buddy responsible for unleashing the rest of the dinosaurs?
Output (English): Manbeast.