Rantanplan(Rintintin)

Rantanplan is a prison guard dog, often tasked with watching over the Daltons or assisting Lucky Luke track them down when they escape. However, he is unable to understand this and often mistakes Joe Dalton, who hates him psychotically, for a beloved owner. As well as being stupid, Rantanplan is extremely slow and accident-prone. However, he is usually very good-natured and loyal.