ProtonJon (real name Jonathan Wheeler) is a popular LPer in Youtube. He is a member of the Runaway Guys with NintendoCapriSun, Chuggaaconroy, and Josh Jepson.
His most notable LP is a playthrough of the infamous Superman 64, in which he provides backstories on the game’s development. In one video, he even claims to have interviewed some of the developers about the game, only to find out that they are still under a nondisclosure contract.