itch.io

Ah, apologies, I assumed you could get the full size picture from itch, but it seems to store only up to 100x100 resolution. You can download it from Discord, since it's the same there, and should be available at a decent resolution: https://cdn.discordapp.com/avatars/[...].webp?size=512. I think the picture itself is quite blurry since it's pretty old, but it should be ok. Let me know if that works for you :)