Host Jessica Biel wore Oscar de la Renta, but it was bearded, buttoned-down Pixar cofounder Ed Catmull who got whoops and whistles at the first Academy Awards presentation of the year. Attendees yelled and stood for Catmull, president of Walt Disney and Pixar Animation Studios, as he accepted an Oscar statuette Saturday night for a lifetime of work in computer animation. He said he was inspired by early Disney films “Peter Pan” and “Pinocchio,” then name-dropped collaborators George Lucas, Steve Jobs and Pixar chief creative officer John Lasseter.