Peter Mortensen is by far the largest serial editor on Stack Overflow, making predominantly style and grammar edits.
He is the prototypical WikiGnome.
His edit count is insane, ~127k as of November 2024 and increasing.
As per Users with most posts edited and stackoverflow.com/users?tab=Editors&filter=all he was the second most prolific editor of all time as of 2024, surpassed only by
marc_s.
Peter Mortensen's profile picture
. Possibly a Tawny owl.