Yeah not sure what you hope to accomplish by this. That is unless you submitted some good articles with your old nic tied to them. If it's about challenges you can always do them again, and it's good for review. "Seniority" has no hold here. If a newcomer comes in here and slaps everyone in the face with their vast sage knowledge then let the worshiping begin.
"The quieter you become, the more you are able to hear..."
"Drink all the booze, hack all the things."