Credit: Kerry Brown/20th Century Fox/AP.

Michael Fassbender plays one of the most attractive robots ever in "Prometheus," out today. His last major role was as a sex addict in 2011's "Shame," whose full-frontal nudity scenes delighted the Internet and caused TMZ to crown the Irish-German actor "Hollywood's New Penis King."

So, he knows what a lot of his fans are thinking: Are androids as well endowed as humans?

"I didn't really go down that route," Fassbender told ABC News Now's "Popcorn With Peter Travers. "I thought of him [David the android] more like Ken."

"He's kind of a butler in space, a housekeeper," he added. "For the most part, he is asexual. He's a curiosity junkie. It's all information to him."

But still, eye candy to Fassy's fans.