History
In the aftermath of the battle at the Vault of Forbidden Science, the seals of several hundred human heads formerly in cryonic suspension, gone mad from sensory deprivation, were broken and their pent-up psionic energy merged to form an insane creature of psionic plasma which unleashed itself on an unsuspecting world.
Notes
Pronunciation is presumably identical to "cyclone", possibly with a mild sibilance at the start.