▁student ▁at ▁H ex side ▁and ▁Lu z ▁and ▁G us ’ s ▁friend ▁who ▁can ▁do ▁plant ▁magic . ▁Origin ally , ▁Will ow ▁was ▁placed ▁in ▁the ▁ab om ination ▁class ▁until ▁her ▁use ▁of ▁plant ▁magic ▁caused ▁her ▁to ▁be ▁transferred ▁to ▁the ▁plant ▁class . ▁ ▁Iss ac ▁Ryan ▁Brown ▁as ▁G us , ▁a ▁student ▁at ▁H ex side ▁and ▁Lu z ▁and ▁Will ow ’ s ▁friend ▁who ▁can ▁do ▁ill usion ▁magic . ▁He ▁once ▁led ▁a ▁human - app reci ation ▁club ▁called ▁the ▁Human ▁App reci ation ▁Society ▁before ▁he ▁was ▁removed ▁from ▁the ▁position ▁by ▁Princi pal ▁B ump ▁after ▁what ▁happened ▁to ▁the ▁det ention ▁room . ▁ ▁Ma e ▁Whit man ▁as ▁Am ity ▁Bl ight , ▁a ▁top ▁student ▁at ▁H ex side ▁who ▁is ▁an ▁ab om ination ▁expert . ▁She ▁started ▁out ▁at ▁Lu z ' s ▁rival ▁at ▁the ▁beginning , ▁but ▁later ▁started ▁showing ▁some ▁respect ▁to ▁her . ▁Like ▁Lu z , ▁she ▁is ▁a ▁big ▁fan ▁of ▁the ▁novel ▁series ▁called ▁The ▁Good ▁W itch ▁Az ura . ▁ ▁B um per ▁Robinson ▁as ▁Hier onym us ▁B ump , ▁the ▁principal ▁of ▁H ex side ▁who ▁we ars ▁a ▁demon - sh aped ▁hat ▁over ▁half ▁his ▁face . ▁In ▁the ▁episode ▁" Ad vent ures ▁in ▁the ▁Element s ," ▁it ▁was ▁revealed ▁that ▁he ▁was ▁the ▁young ▁student ▁responsible ▁in ▁defe ating ▁the ▁oppos ing ▁school ▁and ▁helped ▁build ▁H ex