Pigmon is a recurring monster character in the Ultraman series, first appearing in the original 'Ultraman' (1966). Known for its small stature and friendly nature, Pigmon often helps the Science Patrol and the Ultra Warriors, contrasting with other kaiju. Despite its grotesque appearance, Pigmon is beloved for its loyalty and bravery, frequently sacrificing itself to protect humans. Its role as a sympathetic and gentle creature makes Pigmon one of the most memorable and endearing monsters in the Ultraman universe.