TanStack was started by a guy named Tanner

Debian is a portmanteau of Debra (Ian's girlfriend) and Ian.

I don't mind it. It's just a name

ReiserFS is another one that comes to mind.

And djb (the djb) also wrote djbdns.

There are plenty of examples, usually when it coincides with someone’s first project.

Debian is an even better example

Linus did not name it Linux himself: https://en.wikipedia.org/wiki/Linux#Naming

Feels like a bonus to me.