You already have Goku in Smash. Four flavors of him actually. Sit your ass down and contain your autism Gokufag.
Making the case for Goku in Smash
Ryder Jones
Thomas Gonzalez
Thinking a entirely different franchise with similar art is the same is autistic though user.
Hudson Cook
I already see enough of this fucker because everyone uses him in DBFZ, I'd appreciate it if he didn't poison any other games too
Juan Fisher
Spiderman is a regular high school nerd that gets bullied, but then also has superpowers and fights crime. Think of the usual audience for comics (at least, traditionally): nerdy high school kids. They all relate to Spiderman far more than to a billionaire ninja or an alien with a desk job.