I was gonna say... Deadpool was a total parody of Deathstroke. The guy who gave the concept for him was a Teen Titans fan, and the co-creator gave him the name "Wade Wilson" as a in-joke for being related to "Slade Wilson".
"Hate the sin, love the sinner. But sometimes it's hard to look past all that sin and find the person behind it." -Joshua Graham; Fallout: NV