I have always identified Russell the WIlderness Explorer from Pixar
Russell at Disney Character Central
The Making of Up – Disney Inside
Pixar's 'Up' Wasn't Perfect: Some Of Its Flaws - Rotoscopers
Pixar Review 25: Up
Up Rotten Tomatoes
Pixar's 'Up' Boy Scout Is Based on an Adult Man, and You'll Recognize Him
Russell Grows UP: It's Been An Adventure, Mr. Fredricksen. : r/pics
Pixar Animation Studios
Must Watch: Short Clip from Pixar's Up!
Review and photos of Hot Toys Carl, Russel Up vinyl action figures
Great Character: Carl Fredricksen (“Up”), by Scott Myers