Kasane Teto Rule 34

Kasane Teto is a vocal synthesizer character originally created as an April Fools' joke in 2008, but later became a beloved UTAU voicebank. She is easily recognized by her red hair styled in twin drills, red eyes, and a dark blue or grey outfit with red accents. Her official profile describes her as a chimera, leading fans to sometimes depict her with a forked tail or wings. She is often associated with baguettes and has a catchphrase, "You really are an idiot, aren't you?" Fan artists frequently draw her alongside Hatsune Miku, exploring their dynamic. Common themes in fan art include multiple girls, red hair, and various memes such as the cumjar and jar depictions, as well as heart-shaped pupils and glowing eyes. Her popularity has endured, with updated voicebanks for Synthesizer V and VOICEPEAK, and she remains a staple in the vocal synth community.