It was a screenshot of a part of whatever was at my screen at the time I created the Telegram group.
That's nostr:nprofile1qqsrhuxx8l9ex335q7he0f09aej04zpazpl0ne2cgukyawd24mayt8gprfmhxue69uhhq7tjv9kkjepwve5kzar2v9nzucm0d5hszxmhwden5te0wfjkccte9emk2um5v4exucn5vvhxxmmd9us2xuyp's OG logo. Not sure if he made it or what? It's used on the GitHub and telegram.
Discussion
I'm surprised it wasn't a StarCraft game.