Max Cooper – Symphony in Acid. Video by Ksawery Komputery.
Chafa converts images or video to text in a terminal, and there are plenty of settings to play with.
This recent Unicode-proposal about 8-bit character sets is a great initiative, although it only includes platforms that were popular in USA and UK. For now. ;) The uncredited PETSCII Darth Vader is by Ailadi, btw.