All character names changed. Logged out and back, names changed to different random names.
There is a setting in Options >Connect>Streamer Mode that does this if it is enabled. Disable it and your names will return. 
All character names changed. Logged out and back, names changed to different random names.
There is a setting in Options >Connect>Streamer Mode that does this if it is enabled. Disable it and your names will return.