Thomas the Tank Engine is a long-running children's series whose cheerful theme is instantly recognisable, which makes it a frequent target for parody edits. Heavily distorted versions, known in Japanese online culture as oto ware, deliberately push the audio into clipping for comic effect. Shared in short videos and soundboards, the contrast between the innocent source and the blown-out sound keeps it popular as a shorthand for chaos, surprise and over-the-top reactions.