David Hayward M.D. is a fictional character from the ABC and The Online Network serial drama All My Children. The role has been portrayed by Vincent Irizarry, off and on, November 27, 1997 to September 2, 2013.The character has been a top television villain for years. His criminal actions have been alluded to by authors, as well as recognized by their own fictional characters. David evolves, but always remains a force antagonizing heroes and heroines of the series.