|Appears in||Seasons 2 through 6 (1978 - 1983)|
His life-long dream is to be a CHP...but he's two inches short of the height requirement.<ref name="Ep201" /> He is 5' 3 7/8" tall and when the LAPD lowered their height requirement, he almost became an officer, but his eyes weren't good enough.<ref name="Ep610">Episode 610: "Fallout"</ref>
Harlan has a dog named Dave, a former drug sniffing police dog.<ref name="Ep201" />
At one point, Harlan apparently tried to learn the trombone, but gave up and had it in a garage sale.<ref name="Ep513">Episode 513: "Breaking Point"</ref> Harlan has his mom buy his shoes because he has small feet.<ref name="Ep506">Episode 506: "Anything But The Truth"</ref> He has a talent for siphoning gasoline out of state vehicles. He also beat Getraer at chess. Grossie would have beaten him at chess if he didn't knock over the board.<ref name="Ep521">Episode 521: "The Game of War"</ref>
In one episode, Harlan's personal information was shown on a malfunctioning computer screen. It listed his license number as #Z9023741. He lived at 9246 Beech Drive, Los Angeles, California 90222. (No such address actually exists.) He had 10 moving violations, including 03-17-79, 06-22-80, 09-13-80, and 10-21-80.<ref name="Ep525">Episode 525: "Overload"</ref>
His current whereabouts are unknown.