Sparky

From the adjective sparky (“lively, animated”).

Sparky

1. A nickname for someone who is lively and animated.
   • 2007 November, Gil Schwartz, “Escape from the job monster”, in Men's Health, volume 22, number 9, ISSN 1054-4836, page 122:

     You should keep working, driving for whatever goal you have your eye on, while at the same time avoiding a tip over into a workaholic relapse. How?
     By becoming a manager, Sparky. The purpose of management is to make other people do the things that need doing, so you can think about strategy and leave early.

• pykars