Blade is a character created by Marv Wolfman and Gene Colan. His mother was bitten by a vampire while she was pregnant with him. Thus, he was born as a dhampir, a vampire-human hybrid, with all of the powers of a vampire and none of the weaknesses. He has dedicated his life to protecting humanity from vampires, hunting down and killing every vampires who threatens an innocent. He has a silver sword, a gun that shoots silver bullets, wooden stakes, a sunlight flashlight, garlic gas bombs and water guns filled with garlic juice.
For information about Blade's Disney incarnation in both Ultimate Spider-Man and the upcoming Marvel Cinematic Universe movie Blade, go here: