Question: Generate a question about the following movie plot: WINNEBAGO MAN reveals the story of Jack Rebney - the most famous man you've never heard of - an RV salesman whose hilarious, foul-mouthed outbursts were caught on video in 1988, and circulated underground on VHS tapes in the 90s before turning into a full-blown Internet phenomenon in 2005. The "Winnebago Man" clip has been seen by more than 20 million people worldwide and is regarded as one of the first and funniest viral videos. Filmmaker Ben Steinbauer goes in search of Jack Rebney, and finds him living alone on a mountain top, unaware of his fame. WINNEBAGO MAN is laugh-out-loud look at viral culture and an unexpectedly poignant look at one man's response to unintended celebrity.
Answer:
Who is searching for Jack Rebney?