Overview
- The 27-year-old was found dead on Nov. 18 in his Königswinter apartment, police confirmed.
- Investigators completed a death inquiry and an autopsy found no signs of third‑party involvement.
- A statement from relatives and co-creator Tim Lehmann said he died very suddenly from an epileptic seizure and asked for privacy.
- The Gewitter im Kopf channel, launched in 2019 to explain life with Tourette, grew to about two million subscribers; Zimmermann underwent deep‑brain stimulation in 2022 and later returned to posting in 2025.
- Following the announcement of the cause, Funk (ARD) deleted a social‑media reel because a flickering effect could be problematic for people with epilepsy.