Kafka Hibino is the main protagonist in the manga series, Kaiju No. 8. Kafka is a Defense Force officer and former employee of the Professional Kaiju Cleaning company, Monster Sweeper Inc. Once a Kaiju managed to enter his body, Kafka obtained the ability to turn himself into a humanoid Identified Kaiju. After transforming into Kaiju No. 8, Kafka gains immense physical strength and durability with a fortitude level of 9.8 making it the highest level seen so far.