|First appearance||A Tad of Christmas cheer|
Edison is a purple firefly who first appeared in A Tad of Christmas cheer as Tad's Fairy Godbug, and made a comeback in 2009 to help Tad and Lilly learn their alphabet, numbers, and many other things.
- He graduated from Fairybug school.
- He falls in love with a spacebug in Math adventure to the moon.
- He appeared for the first time on video in 2007.