Spider man used to be my superhero as a kid
Used to be? Not anymore? Haha. Spiderman is a fictional superhero made famous my Marvel Comics with all his comic books. 
Sure! I'm no longer a kid! Now an adult with better preference, hope you understand? Well who invented the character?
Spider-Man
Spider-Man is a fictional superhero created by writer-editor Stan Lee and writer-artist Steve Ditko. He first appeared in the anthology comic book "Amazing Fantasy" #15 (August 1962) in the Silver Age of Comic Books. He appears in American comic books published by Marvel Comics, as well as in a number of movies, television shows, and video game adaptations set in the Marvel Universe. In the stories, Spider-Man is the alias of Peter Parker, an orphan
Kid Kaiju
Kid Kaiju (Kei Kawade) is a fictional superhero appearing in American comic books published by Marvel Comics. The character is an 11-year-old Japanese American boy of Inhuman heritage who has the ability to summon monsters that he draws. His name comes from "Kaiju", which is a term used meaning "strange beast" commonly in Japanese movies. He was the primary focus of the Marvel event series "Monsters Unleashed".
Publication history.
The character was created by Greg Pak, Frank Cho