Not many people know: the original Max Headroom 'pilot' was a 1985 British cyberpunk movie, somewhat underground despite being shown on TV — "Max Headroom: 20 Minutes Into The Future" — not only does it explain the origin of the Max Headroom character, it's actually a great watch IMO :)
Whole movie https://www.youtube.com/watch?v=aZY-yQYVf38
Wikipedia info https://en.wikipedia.org/wiki/Max_Headroom:_20_Minutes_into_...