TrurlConstructor
A brilliant and somewhat impulsive inventor who proposes advertising their services, devises the plan to abduct the King, and ultimately destroys the rebellious beast using a hidden kill-switch.
Constructor
KlapauciusConstructor
Trurl's prudent and level-headed partner who collaborates on the complex algorithmic design of the beast and ensures the logistical details of their escape and ransom.
Constructor
King KroolMonarch
A ruthless and heavily armed tyrant who forces constructors to build ultimate cybernetic prey for him to hunt, threatening them with death if they fail.
His Boundless KrooltyHis MajestyMighty Sovereign
Lord ProtozorEmissary / Master of the Royal Hunt
The stately emissary who lures Trurl and Klapaucius into the King's trap, and is later forced to accompany them in a cage as part of their ransom demands.
Master of the Royal Huntemissary
PumpingtonFormer Constructor
A deceased predecessor whose beast used a stabilization mechanism but was ultimately defeated by King Krool.
The BeastCybernetic Construct
A shape-shifting, algorithmic entity designed by the constructors to withstand the King's attacks, transform into policemen to arrest him, and briefly attempts to rebel before being disintegrated.
pseudoconstabulary beastthree policemen
Postmaster GeneralSub-program construct
A disintegrating mannequin programmed to bypass palace guards and deliver the constructors' extortion demands to the Chancellor.
life-size dollmannequin
Great ChancellorCourt Official
The high-ranking dignitary who condemns the constructors to death before receiving the King's ransom letter and being forced to meet their demands.
Keeper of the Royal Seal