What are the names of the tellietubbies?

The Teletubbies are named Tinky Winky, Dipsy, Laa-Laa, and Po. Each character is distinguished by their unique color and personality traits, with Tinky Winky being the largest and carrying a red bag, Dipsy wearing a green outfit, Laa-Laa in yellow, and Po in red. They live in a vibrant, whimsical landscape and engage in playful activities throughout the series.