Turbo Granny comes from Dandadan, the manga by Yukinobu Tatsu that began in 2021 and was adapted into an anime in 2024. She is a powerful yokai spirit first encountered in a tunnel, known for her speed, foul mouth, and obsession with Okarun. This bargain line became one of her most quoted moments after the anime aired, spreading through TikTok edits, Discord soundboards, and anime meme compilations where fans isolate her rudest lines for instant comic impact.