Mr Incredible Becoming Uncanny grew out of a viral video format built around the Pixar hero from The Incredibles, in which his smiling portrait is edited into progressively more distorted and unsettling versions. Each numbered phase pairs a new image with darker audio, and creators on TikTok and YouTube Shorts began competing to push the transformation further. Phase 17 sits deep in that escalation, long past the lighthearted early stages, which is why it is often used for the moment a joke turns genuinely ominous.