Inuyama Wanko-no-Kami commands the Palace Guard of Edoropolis, directly overseeing the Samurai Pizza Cats, Francine, and the Rescue Team by assigning their missions. This brown-furred dog animaroid stands 146 cm tall, weighs 59 kg, and wears a blue outfit with black pants; American materials identify his breed as a St. Bernard.

As their superior, his interactions with the Samurai Pizza Cats are marked by periodic irritation over their unconventional methods, though he concedes their effectiveness when crises demand it. He maintains a professional relationship with Princess Vi, persistently encouraging her sense of duty despite her frequent disregard for his guidance. Aware of the Big Cheese's villainy, he operates under the tension of lacking concrete evidence for formal exposure.

His confidence in the Pizza Cats waned after repeated operational failures, leading him to temporarily replace them with the Rescue Team. This decision reversed when the Rescue Team failed and required saving by the original team, prompting a formal apology from him and a commitment to non-interference. His view of Bad Bird shifted dramatically: initially considered a villain, he later acknowledged Bad Bird's heroism following their joint effort to prevent a comet disaster. While the English adaptation mentions a wife, details of his personal life, background, origin, or involvement in spin-offs, movies, or OVAs remain undefined.