 Peter DeLuise (qv) tries to work the name "Penhall" into every  script he directs. This was the last name of his character from  _"21 Jump Street" (1987)_ (qv). In episode 7.7, "Enemy Mine", A  Colonel calls out to two soldiers; Hanson and Penhall. Hanson was  the name of Johnny Depp (qv)s character.