Mr. Incredible is Bob Parr from Pixar's The Incredibles from 2004, but this burning hot version comes from the later Mr. Incredible Becoming Uncanny meme that spread on YouTube and TikTok. In that format, editors assign increasingly disturbed phases of his face to situations that get darker or more intense, with burning hot used for extreme heat and pain levels. The format stayed popular because the phases are instantly readable without context, so a single image and sound can escalate a joke in seconds and viewers immediately understand the severity level.