Joop Katana (ジュープ・カタナ) is a stuntman who qualified for SASUKE 23 as the #9 qualifier through American Ninja Warrior, the United States' qualifying competition. In the tournament, he performed well. He was shown to have made it to the Slider Jump but timed out as he was climbing underneath the net. It was revealed that the Soritatsu Kabe slowed him down.
Joop did not return for any future American Ninja Warrior competiton since though he did try to compete in American Ninja Warrior 7 but was not selected.
|23||Failed Slider Jump (First Stage)||Digest, Time Out|