Orochi (One Punch Man), Villains Wiki

He is the ultimate being, perfected from countless failures and sacrifices, an existence perfectly befitting the title "Monster King". Orochi was created by me.Gyoro Gyoro reveals the history of Orochi. Looks like this will be the final showdown between the strongest. You sir have truly piqued my interest A human who is able to reach the pinnacle strength of living organisms. How effective that will be against me, I'm somewhat looking forward to it.Orochi prior to his introduction to Saitama.

Orochi (One Punch Man)

ワンパンマン 23 [Wanpanman 23] (Onepunch-Man, #23) by ONE

Saitama vs. Orochi, One-Punch Man Wiki

Speed-o'-Sound Sonic, Villains Wiki

Who are the 5 strongest villains in One-Punch Man? - Quora

One-Punch Man / Awesome - TV Tropes

Orochi (One Punch Man), Villains Wiki

Orochi (One Punch Man), Villains Wiki

Geryuganshoop, Villains Wiki

Hammerhead (One Punch Man), Villains Wiki