jm <b5ê$2Mî[«¬n?¦W¯êÄƶ¥Õ´B` °LIt's a little weird, but you have to scroll the menu to view the logout button. Login name is separate from the name you set for you profile. Login name cannot be changed.
https://whatsonchain.com/tx/1087b84a4ca76449ac1a89297d9461694dd322f67f0b455b11c9e016ca61346d