Luxo Jr. hops into the frame from the right, stops next to the letter "I" in "PIXAR," and proceeds to jump on it until the letter is squashed flat.
The hopping desk lamp is named Luxo Jr. , originally from Pixar’s 1986 short film of the same name. Disney Pixar Intro
Most Pixar films begin with the Walt Disney Pictures CGI castle logo, followed immediately by the Luxo Jr. sequence. Luxo Jr
Starting in 2018, the logo was re-animated using Pixar's modern software, adding LED bulb details and enhanced color correction. Disney's Role in the Intro Disney Pixar Intro