He told the Scottish Sun: "Nearly everyone thinks I'm a hard rocker and completely crazy, but really I'm very quiet.
"But yes, when I'm working then I'm another Gretar.
"The footballer Steinsson on the pitch goes beyond all boundaries. That's why when I'm home I have to find rest and solitude.
"Maybe folk think I'm a wild hardman because of all my tattoos.
"For me, every tattoo has its own special value and significance, like the huge cross on my back.
"I believe in my own way, but I'm still completely open for how other people experience their faith.
"In the dressing room I've seen one player reading the Koran, while another recites from the Bible."