Like with Mashima's previous protagonists Haru Glory (from Rave Master) and Natsu Dragneel (from Fairy Tail), Shiki Granbell's given name is also a season-related reference. While Haru means "Spring", and Natsu means "Summer", for Shiki his name is Japanese for the term "Four Seasons".
Tia Ballard reprises the Role of Happy for the English Dub; This is somewhat Uncommon for Netflix Shows, as they usually Recast roles that were previously done by other Studios. Colleen Clinkenbeard also appears as Elsie, a character modeled after her Fairy Tail role, Erza
Created by Hiro Mashima, previously known for his work with both Groove Adventure Rave (2001) and Fairy Tail (2009). Notably he also created a limited-run manga series known as HERO's which was a crossover between these three series.
Like his Fairy Tail (2009) incarnation, Rie Kugimiya reprises her role as Happy for the Japanese version.