Solved Why?

[Lovely Lettie]

Just a question why do some of the members that haven't got an avatar have this instead of a letter?

 

[PippinTheChicken]

I think that was the avatar for people with no avatar longer ago. This person joined in 2017.
Since then, BYC changed to the letter avatar but this person still has the old one because they haven't changed their avatar at all.