"'Sucker M.C.'s' (also known as "Krush-Groove 1" or "Sucker M.C.'s (Krush-Groove 1)" and sometimes spelled as "Sucker MCs", "Sucker MC's" or "Sucker M.C.s") is a song by American hip hop group Run D.M.C. It was first released in 1983 on a cassette as B-side to "It's like That". The two-sided release marked the start of Run-D.M.C.'s career as their first single, and it is widely regarded as ushering in a new school of hip hop artists with a street image and an abrasive, minimalist sound that marked them out from their predecessors..."