Name: Chris MacDonald, Under My Thumb Tattoos Location: Toronto, Canada Size: 350 square feet Years occupied: 2.5 years Tattooer Chris MacDonald’s one-room studio in Toronto’s west end is one of the city’s best kept secrets. The climb up the wooden staircase to a well-hidden Under My Thumb Tattoos adds to the feeling that you just might be sneaking into someone’s vintage-flavored living room.