Information on the cameo
Colonel John "Hannibal" Smith is a character played by George Peppard from the 1980s action-adventure series The A-Team. He is one of the members of the titular group, the A-Team, along with H. M. Murdock, B. A. Baracus, and Templeton "Faceman" Peck. Hannibal is the leader and a master tactician who also goes by an alias named "Mr. Lee". His most well-known catchphrase is: "I love it when a plan comes together."
Appearance in the rap battle
Hannibal appeared in front of a plain hill while Mr. T said the line, "I'll get Hannibal, Murdock, and Face to stomp you out!" They were shown in quick shots as he said their names.