> Mickey mouse is now copyright free
Not true.
Scroll down on this page[0] and you'll see the different Mickeys and most of them are not under copyright. You got Steamboat Whillie + gloves but no Fantasia Mickey or later. Definitely no red-pants version.
Unsurprisingly Disney knows what they're doing and they have 95 years to modify a character's looks (and how the public imagines that character) before it enters public domain.
> pluto is in two weeks
Not the Pluto you're thinking of...[1]
[0] https://web.law.duke.edu/cspd/mickey/
[1] https://www.disneydining.com/disney-copyright-loss-pluto-202...