Jonas Kahnwald

Jonas Kahnwald is a fictional character and one of the protagonists in the German science fiction thriller show Dark (created by Baran bo Odar and Jantje Friese), portrayed by Jonas Gerzabek as a child, Louis Hofmann as a teenager, Andreas Pietschmann as an adult, and Dietrich Hollinderbäumer as an elderly man. He appears in 25 out of 26 episodes, making him the character with the most appearances in the show. Jonas is the son of Hannah and Michael Kahnwald and starts off the show as a quiet somber teenager. After his father's suicide, Jonas unravels a rift in time in the Winden caves and begins his time travel journey. He returns as an adult to mentor his younger self and is referred to as The Stranger. After being trapped in 1888, Jonas tries to create a time travel machine so he can find the origin point of the time loop. He becomes physically scarred from this and begins going under the name of Adam. The character is considered one of the show's best and both the character and Hofmann's performance have received positive reviews.