I'll experiment with that - there are many of them to test various solutions.
ETA: You're right - just did two, and they did have space after name. Only edit was to back space it away, did nothing with the nickname and on profile view, no more double middle in " ". Still don't understand it, but back spacing a space is a lot less work than retyping whole names. Will skip over them for this report, in case folks who can understand it, want to play around with them