Yellow detective guy kinda like a cartoon

Goofy is "Johnny Eyeball, Private Eye" who gets mixed up in a surreal whodunnit involving a classy dame, a cop, weasels, and the mysterious missing Al.

To preserve the happiness of his home, a detective transforms himself into different characters: a brave mexican, a French compliment, a tough German and a smiling lady.

A deputy has to work with a private eye and sees that the job isn't all it's cracked up to be

Unremarkable at first glance, the murders in different parts of the city lead a young investigator named Sergei into a maze of dirty old secrets. For a long time, Sergei can't understand the motives or thought process of the criminal. But one detainee gives him a good hint: the scenario of the killer's actions inexplicably resembles the plot of the cartoon "About the Silly Winky-String", which is shown on TV in the city of N. The intrigue grows, and as the murders continue, the events take on an increasingly sinister tinge.