Felix's origins remain disputed. Australian cartoonist/film entrepreneur Pat Sullivan, owner of the Felix character, claimed during his lifetime to be its creator as well. American animator Otto Messmer, Sullivan's lead animator, has more commonly been assigned credit in recent decades. Some historians argue that Messmer ghosted for Sullivan. What is certain is that Felix emerged from Sullivan's studio, and Cartoons featuring the character enjoyed success and popularity in the 1920s.
from wikipedia.com
The UNIX trademark is owned by The Open Group.
Felix the Cat's first appearance was in 1919
James A. Wahl of Minneapolis now owns the trademark.
The cast of Felix the Cat - 1959 includes: Jack Mercer as Felix
Felix The Cat was created in the early 1900s .
Felix the Cat's girlfriend is named Kitty. She is a black and white female anthropomorphic cat who often appears in the Felix the Cat cartoons and comics.
Felix the Cat - 1959 Felix the Cat Suit was released on: USA: 1960
1988..... it says in the Felix the cat thing where you posted the question...
Felix the Cat's Cartoon Toolbox happened in 1994.
Felix the Cat's Cartoon Toolbox was created in 1994.
PHILIPS
It depends on who owns the trademark (you or someone else), the nature of the copyrighted work, and how you're using the trademark in the work.