Merchandise based on Toy Story 4 was also produced en masse, including toys based on the Reeves-voiced Duke Caboom character.
The character appears to be a parody of the Evel Knievel Stunt Rally Stunt Cycle toy released by the Ideal Toy Company in 1975.
“Defendants have used in commerce, and continue to use in commerce, the likeness, reputation, and image of Evel Knievel in the film Toy Story 4 through Defendants’ depiction of Duke Caboom, and has exploited the same connection through marketing, promotion, advertising, and sales of Toy Story 4, and in connection with the manufacturing, distribution, marketing, advertising, promotion, and sales of the Duke Caboom action figure, all without the consent or approval of K&K,” reads the trademark infringement complaint, filed by Knievel’s son and K and K Promotions boss Kelly Knievel.
The similarities between Duke Caboom and Evel Knievel seem pretty clear, but Disney may argue that a parody is legally considered to be fair use of a copyrighted work.