? How does that happen? Wrong npub or something?

Didn‘t you log in into some app or other nostr client? It happened to me before when logging into habla or something like that.. there were older name, bio and picture stucked so when I logged in after I change them, that app synced with the client using old data. Had to change them in client ma...

Your profile pic is a note. If a client can't find that event, it can't know your profile pic. You can set it again.