Rory! King of the Jungle! Most majestic of beasts!
"When I became a man I put away childish things, including the fear of childishness and the desire to be very grown up"
- CS Lewis
No. Keeping a stuffed lion is not a sign of immaturity but rather and appreciation of the people who mean something to you.
Hah, it's funny though, I think I've only met the people who gave him to me twice, if at all - distant relatives from Canada! But he was just the perfect size for me to carry around, that I took to him immediately.
I still have my stuffed bear from when I was born :3
I have one I got when I was born as well, but he was one of those traditional jointed bears, so he wasn't super cuddly.
He can play with Kitty c: my stuffed tiger! She's missing her tail but I've had her for 18 years c: