Leprechaun 4: In Space

LeprechaunIn Space is a 1997 directtovideo horror comedyscience fiction film directed by Brian TrenchardSmith. It is the fourth film in the Leprechaun series.

A platoon of space marines arrive on the planet and kill the Leprechaun for interfering with mining operations. Gloating over the victory, one of the marines, Kowalski, urinates on the Leprechauns body. Unbeknownst to Kowalski, the Leprechauns spirit travels up his urine stream and into his penis, where his presence manifests as gonorrea. The marines return to their ship with the injured Zarina, whom they plan to return to her homeworld in order to establish positive diplomatic relations. The ships commander, the cyborg Dr. Mittenhand, explains his plans to use Zarinas regenerative DNA to recreate his own body, which was mutilated in a failed experiment. Elsewhere on the ship, the Leprechaun violently emerges from Kowalskis penis after he is aroused during a sexual act. The marines hunt the Leprechaun, who outsmarts them and kills most of the crew in gruesome and absurd ways.While pursuing Zarina, the Leprechaun injects Mittenhand with a mixture of Zarinas DNA and the remains of a blended scorpion and tarantula, before initiating the ships selfdestruct mechanism. A surviving marine, Sticks, rushes to the bridge to defuse the selfdestruct but is stopped by a password prompt. Mittenhandnow a grotesque monster calling himself Mittenspiderentangles Sticks in a giant web. Meanwhile, the other survivors confront the Leprechaun in the cargo bay, where they inadvertently cause him to transform into a giant after shooting him with Dr. Mittenhands experimental growth ray. ........

Source: Wikipedia