User blog comment:MasterGarmadon102/Garmadon 2018 Minifigure Discovery/@comment-35547282-20180516165500

Characters like Luke Cunningham, Ultra Violet and Mr. E have things like that too. I noticed them the second I saw the minifigures, but I was too lazy to search up what they meant. Instead, I translated the symbols on Mr. E's and Zane's bikes. Nearly every SOG set has some symbols somewhere.