Related Clues:

• One entering as an enemy
• Little interest shown by less polite and unwelcome guest
• Trouble? Return ID to unwelcome guest
• Martian, in some stories
• Norman was once at odds with Harold
• Eponymous Dennis character with poor sense of direction?
• I name Skywalker's enemy attacker
• Attacker within, against a duke and monarch
• Knocking over wine, I turn out gate-crasher
• One making uninvited entry
• Housebreaker? One turned out right in the end
• One entering unasked
• One illegally entering wood lacks time to seize state
• Attacker from outside
• One entering uninvited