Heavy Metal (1981) is often compared to Fantastic Planet. There's no son, but lots of the other things you listed match.
https://en.m.wikipedia.org/wiki/Heavy_Metal_(film)
https://m.youtube.com/watch?v=yKkt_g9Tc7M
https://m.youtube.com/watch?v=T6a3F6fPSP0
https://m.youtube.com/watch?v=dFq0cHHYrSU
Or maybe Heavy Metal 2000 (2000) https://en.m.wikipedia.org/wiki/Heavy_Metal_2000
Thank you for sharing, I'm enjoying reading it.
Fair comment. I used gaffer tape a lot at the beginning of my journey because it was convenient and available, but everything I built fell apart eventually, so I started using cloth duct tape. I recently discovered aluminium duct tape which is genuinely amazing. It's like regular cloth duct tape, but it can be shaped really precisely, and it holds it's shape even if everything else falls apart around it.
Duct tape and cardboard solutions to questions like "How do I get these two pieces of photography equipment to work together?"
You have peanut butter named Jif? That's weird, where I come from Jif is an abrasive cleaner.
...Is your peanut butter gritty?
It would have had a better chance of making the coalition if they didn't keep leaving it off the map.
Have you heard the one about the cannibal who passed his ex in the jungle?
Wikipedia says that they "lack short wavelength sensitive visual pigments in their cone cells", so they don't see blue as well as we do... Which isn't surprising really.
They could stack rocks to create a mosaic.
Or maybe just an om. Unless you fill it with cheese and pineapple, then it's an om-nom-nom.
I'm not the OP, but I couldn't leave y'all hanging with no moss.