Matt Fritchman (born December 1, 1975), better known by the pen name Matt Fraction, is an Eisner Award-winning American comic book writer, known for his work as the writer of The Invincible Iron Man, FF, The Immortal Iron Fist, Uncanny X-Men, and Hawkeye for Marvel Comics; Casanova and Sex Criminals for Image Comics; and Superman's Pal Jimmy Olsen for DC Comics. source