gerald urquhart enjoyed luke's characterisation, saying, "luke is misunderstood. his strange demeanour and interests are his defining features. however, underneath his mumbling exterior lurks a kind, considerate individual. he is traditional, loyal and professional, longing for companionship and thirsty for knowledge." luke is "calm" and "even tempered" and found being a suspect in the ferndale stranglings and the murder of ethan pierce as insulting. urquhart believed that earlier incarnations of luke, had him portrayed as a much darker and "stranger" character, whilst the luke seen in 2012 was a lot more personable and extracted a larger audience reaction. he said the transformation happened over night; one day he was being called "weird" and "strange", and the next, he was getting called "loyal" and "honorable". luke has been labelled "kooky", an "oddball", "elusive" and "misunderstood". in 2011, luke's fiance zlata waldheim (kate elliott) encouraged him to be more "normal" and as a result luke started to wear an italian suit and a toupee. after dumping zlata, luke kept some elements of his wardrobe but mixed them with his old suits, creating awkward final products. urquhart enjoyed how "different" luke was from himself and loved his, "integrity, his honesty and his old fashioned sensibilities" alongside his, "approach to love." when comparing himself to luke, urquhart believed they both had a "very similar authoritative tone" and he in fact studied the occult and witchcraft as a teenager. urquhart put on a voice to portray luke and though he only expected the role to last 5 weeks, he eventually enjoyed adapting his vocals for his whole 5 and a half-year tenure and compared it to "putting on old clothes".