That would be interesting, they already have Nengan from the Walking Dead. If Smash won’t recruit him because the creator said: only characters who were originally video game characters can potentially make it to the roster, then Tekken should do the honorable thing and put Goku. Not even anything crazy like Super Saiyan, just the Young adult Goku who battled vs Raditz, maybe Kaioken? All I can do is dream