Jean-Sébastien Grammatikopoulos

 (born November 7, 1962) is a French animator, engineer & designer known for working with Fuse Special Effects.

Biography
Jean-Sébastien was born in to a Greek Cypriot father and French mother.

In 1984, Jean-Sébastien got his first ever special effects job when he was hired to do special effects for Bionicle IV: Legends of Metru Nui at Electrons S.A. in. In 1994, he joined the Mechanimation team, and eventually went to work for Fuse Special Effects after Mechanimation merged with El Kadsreian firm X-WOW.

Notable work

 * Designed the Sagwa Miao and Dongwa Miao walkarounds for Sagwa the Chinese Siamese Cat promotional appearances. The original head prototypes were built out of a foam base, and his cousin Stamatia Logothetis modeled in both walkarounds for their original designer images.
 * He is also credited with the base designs for VEE's animatronic Sagwa costumes used for live shows.
 * Created the animatronic claws for The Beast at Six Flags Kings Island.