|Eye color||Dark purple|
Owner of Knightfire Funporium
|First Episode||Julian's Birthday Surprise|
Sinjin Knightfire is a magician and the owner of the Magic Funporium.
- His first name, "Sinjin," is the British pronunciation of the given name "St. John," so that his entire name can be construed as "St. John's Night fire." In European legend, "St. John's Night" or "St. John's Eve" (June 23, which was formerly also Midsummer Eve, the day before the summer solstice) was a magical night (as in Shakespeare's A Midsummer Night's Dream or Mussorgsky's Ночь на лысой горе), often associated with the kindling of bonfires. Thus Knightfire's name is an elaborate, if obscure, reference to his magical nature.
- Following on this, Sinjin's rather devilish appearance when stanked may be a glancing reference to Disney's own Chernabog in Fantasia.