A type of Dwagon.
They, along with pink and purple, are described as one of the weaker varieties of dwagon.Erf-b1-p062, Erf-b1-p064
Known Yellow Dwagons:
Its special attack, unlike that of other dwagon types, is not breath attack. Apparently yellow dwagons defecate (acidic battlecrap) on their victims.Erf-b1-p006, Erf-b1-p031