Updating the logo is not a bad idea, even if technical development is probably the most important thing at this stage. There are plenty of good graphic designers willing (or having to) work for cheap rates, so getting a professional design would not be difficult. Or a community-driven design might be a way to create some buzz.
Anyway, I am definitely no graphic designer, but here is a (public domain) big cat image with the name of the coin, just my 2 cents:
https://imgur.com/a/HAK3J