Jean Pierre is a French gymnast who always achieved perfect scores until one day he unexpectedly scored a 9.98. Since that time, Jean began martial arts in order to improve his grace and strength. He participates in the Great Grapple tournament in order to see the results of his personal training. From within his participation in the 1996 Summer Olympics, Jean was personally surprised to see Ryoko participating in the event as well. Later on, Jean would compete in the second Great Grapple tournament in order to help buy a small chalet in the southern region of France.

In Fighter's History: Mizoguchi Kiki Ippatsu!! cameo he encounters Mizoguchi during the latter's quest. Jean agrees to help Mizoguchi out in taking him to South Korea, but instead of having Mizoguchi ride in his personal aircraft, Jean has him tied up on the front of the aircraft itself until Mizoguchi inadvertently falls off and crashes into a local South Korean restaurant, to where he unexpectedly meets up with and encounters Yungmie.