Today marks the hard launch of Hellbent Cocktails. The line — described as a high-alcohol by volume, ready-to-drink canned cocktail brand “built for geek culture and great times” — comes from Seth Green and Matt Senreich and brand builder PJ Loughran. The first two are longtime close friends and business partners best known as the co-creators of the long-running animated series Robot Chicken. The zany series is important to note here because the concept for Hellbent surfaced as an idea for a Robot Chicken sketch. Green and Senreich were tossing around ideas for a mock commercial for a werewolf-themed “harder” seltzer. The concept failed…