Caterpillar's signature yellow and black CAT branding was definitely spinning heads and getting passerby's attention as it showed off its rugged B15.

ENGADGET: Caterpillar CAT B15 rugged smartphone hands-on Hands-on

He opened the coop and stuck his hand in toward the fierce creature inside, eyes yellow, beak sharp as a cat's claw, trilling a warning so low it was almost a growl.

NPR: Excerpt: 'The Prince of Frogtown'