blinryPeople are brainstorming new logos for Mastodon in this GitHub issue:
https://github.com/tootsuite/mastodon/issues/962
I really like the direction https://github.com/SamSaramyak's is going:
Claudius (legacy account).@blinry I totally agree. This is one of the very few that I find to be "logo worthy" in that thread.