Possible Clues:

• Much-maligned director Boll
• Lambasted director Boll
• Much-maligned director ___ Boll
• Former NHL defenseman Krupp
• Noted straight-to-video director Boll
• Notoriously terrible director Boll
• German director Boll known for film adaptations of video games
• Boll whose films are so badly reviewed that he challenged his most severe critics to a boxing match
• Outlandish director Boll
• Director Boll of 2005's 'Alone in the Dark'