Edwin Parker `` Cy '' Twombly , Jr. ( \ / saɪ ˈtwɒmbli \ / ; April 25 , 1928 - July 5 , 2011 ) was an American painter of large-scale , freely scribbled , calligraphic and graffiti-like works on solid fields of mostly gray , tan , or off-white colors .
Edwin Parker `` Cy '' Twombly , Jr. ( April 25 , 1928 - July 5 , 2011 ) was an American artist .