ELI5: Explain Like I'm 5
Examples: what does a catalytic converter do, religion, reverse engineering, gandalf, why do things float in salt water?

Heita Kawakatsu

Heita Kawakatsu is a person's name. He is likely someone who is either famous or important in some way. However, I cannot provide a more detailed explanation without more context as to who he is and what he is famous or important for.