Answer:
Some demons i know:
Sonic wave, the golden, zodiac, bloodbath, bloodlust, yatagarsu, catycalysm,
theory of shrillex, ultimate demon mix, demon park, speedoru ,abcdefghijklmnopqr, the nightmare, lightning road, silent clubstep, ice carbon diablo x, Bee, city rush, stairs, manix, Supersonic, xo, 8o, 8o X
nine circles, nine cirlcesX, decode, decodeX, Hi, bye, fairydust, god eater, ultra parascom, widder, diep, into the grave, ice cave, green demon, blue h*ll,
suppkan h*ll, phobos, black blizzard, the lost existance, heLL, Mastergame XVII, Depressure, laser room, crecendo, the h*ll zone crazy, silent hill, red sun x sone, sine waves, speedbreaker, deadlocked, clubstep, invisible deadlocked, invisible clubstep, Toe II, Conical depression, depressure, extreme park, super cycles, jumper 2v, heartbeat, why step, pressure, fire temple, forest temple, water temple, crazy bolt, bad apple, deadlocked 2v, deadlocked 3v, finger dash 2v, fingerdash II, trump circles, badland, Elite Z rebirth, Popcorn, impact, ImpactX, dorabe choose way, weotheory,tibutti, tibbutti II, AAAAAAAAAAAA, BBBBBBBBBBB, freedom, lockdown,
and more!!