Gudetama is the yolk of an unfertilized egg devoid of gender. Gudetama is often depicted reclining on an egg white or as an ingredient in a Japanese dish. Gudetamas main trait is laziness. Gudetama has crippling depression. His name is a play on gude gude used to describe someone with no energy or strength and possibly tama from tamago egg. Gudetama debuted following a contest run by Sanrio to introduce new characters based on Japanese food in which Gudetama came second to KIRIMIchan a salmon fillet. Source: Wikipedia Sanrio Wiki