He was born in Aberdeen and raised from age 6 in the village of Kibworth in Leicestershire. His paternal grandmother was the writer and photographer Jean Sutherland. In 1983 he graduated from Exeter College of Art and Design.
Since 2005, Sutherland has written, produced and performed as The Scottish Falsetto Sock Puppet Theatre, appearing at the Edinburgh Festival Fringe in 2007, 2008, 2009, 2010, and 2012 in theatres internationally and on television. His TV work includes The Sitcom Trials and A-Z of Rude Health for ITV.
His comic strips appear in the UK comic The Beano, chiefly comedy adventures starring The Bash Street Kids, with Dennis The Menace, Roger the Dodger and Minnie the Minx. In 2011 Kev drew Match magazine's Galaxy Wanderers strip, and Find It in Doctor Who Adventures.
Sutherland's previous comic strip work includes Star Trek Ghost Rider 2099 and Doctor Strange for Marvel Comics, UT which he also edited, Goosebumps for The Funday Times, educational illustration for Scholastic and Harper Collins, Zig and Zag's Zogazine, Red Dwarf Smegazine (both for Fleetway), and miscellaneous strips for Doctor Who Magazine, Oink, Viz, Gas, 2000AD, Warrior, Gladiators (based on the LWT TV series), The Worm The World's Longest Comic Strip and many more.