I do like the idea of mascots, but truthfully I think they are better done as non-human mascots and need to be simple. I think Japan got this right with Yura-chara[0]. There seems to be a strong preference for non-human characters and when there are human ones, they're still overly simplistic.
Seems like same rule about flags[1]: a child should be able to draw it from memory.
Seems like same rule about flags[1]: a child should be able to draw it from memory.
Only Barty seems to fit these conditions.
[0] https://en.wikipedia.org/wiki/Yuru-chara
[1] https://nava.org/good-flag-bad-flag