The two crossword solutions for the term 'Looney Tunes Surname' are LEGHORN (7 letters) and Lepew (5 letters). LEGHORN is a character from the Looney Tunes franchise, first appearing in the 1945 short 'Walky Talky Hawky'. He is a rooster who speaks with a Southern accent and is often seen trying to court the female chicken, Miss Prissy. Pepe Le Pew is another Looney Tunes character, first appearing in 1945's 'Odor-able Kitty'. He is a French skunk who is always trying to court female cats, despite his strong odor.