It looks like RPMcMurphy has replaced all of their recent comments with that character.
RPMcMurphy, if you want to delete your account, you can do so by going to preferences and clicking on DELETE in the top right. You can also retract posts to protect them from being downvoted (will also keep them from being upvoted) by clicking on the button that looks kind of like Ѳ at the bottom right of your comments.
It looks like RPMcMurphy has replaced all of their recent comments with that character.
RPMcMurphy, if you want to delete your account, you can do so by going to preferences and clicking on DELETE in the top right. You can also retract posts to protect them from being downvoted (will also keep them from being upvoted) by clicking on the button that looks kind of like Ѳ at the bottom right of your comments.