 Lucas 's initial idea for Indiana 's sidekick was a virginal young princess , but Huyck , Katz and Spielberg disliked the idea . Just as Indiana Jones was named after Lucas 's Alaskan Malamute , Willie was named after Spielberg 's Cocker Spaniel , and Short Round was named after Huyck 's dog , whose name was derived from The Steel Helmet . 
