Alpha is the main antagonist of the famed cartoon TV series Men in Black: The Series. He was originally a founder of MiB and the former mentor of Agent K (one of the main protagonists of the MIB franchise), later becoming the arch-nemesis of Agent K and Agent J (the other main protagonist of the franchise). He was voiced by David Warner, who previously portrayed MCP, Ra's al Ghul, and Spicer Lovejoy.