robofetishist

A Robofetishist is a person who is aroused by mechanical objects, but mainly robots and automatic mechanical objects. Many people named "Rob" are robofetishists, hey, its in the word.

He says he likes Starwars because of the plot, but we know its just because he's a Robofetishist
OR
Rob engaged in intercourse with his toaster last night, we all knew he was going to be a robofetishist.