Dolorosa I get the whole anatomy thing, it's pretty hard to get a handle of. D: I still don't know how to properly anatomy.
As for your questions, hmm... I don't think he's very interested in movies or songs, so I actually don't know, lmao. As for where he was found, well rather than "found" he kinda waltzed into the facility on his own. He believes he can escape whenever he wants to, which he maybe can, but he thinks the scientists are entertaining so he deals with their incessant probing. Maybe one day he'll have enough.