Belphemon X

Belphemon X is a Digimon and carrier of the X-Antibody.

Etymologies
Official romanization given by the Digimon Reference Book and used in Japanese media. English media shortens "X-Antibody" to "X".
 * Belphemon X-Antibody (ベルフェモン (Ｘ抗体))
 * X-Antibody.
 * X-Antibody.