Maxwell Smart: "I don't know why I keep getting you two mixed up."
Mr. Peter: "Happens all the time."
Pair of KAOS agents who dupe Maxwell Smart into believing that they are friends of Trinka Markoff who is visiting America to address the U.N.
Operating at the time as a private investigator, Max accepts their charge of protecting her, not realizing that he is actually leading her into their trap.
Portrayed by Berry Kroeger (Mr. Peter) and Phil Roth (Mr. Sydney) [Episode #65: "Maxwell Smart, Private Eye"].
Reality Check: These two characters parody actors Sydney Greenstreet and Peter Lorre with the twist that their names have been reversed (a similar pair appear in the earlier episode "Casablanca").