In the original book and the animated adaptation, Cindy-Lou Who comes out of bed for a drink of water when she finds the Grinch, disguised as Santa Claus, stuffing her family's Christmas tree up the chimney (in the 196… See more

In the live-action film, Cindy-Lou is played by Taylor Momsen. In this version, Cindy-Lou is six years old and knows the … See more

In the musical, Cindy-Lou can be from six to twelve years old. She has four siblings: Boo Who, Danny Who, Betty-Lou Who and Annie Who. She first appears in It's The Thought, Who Likes Christmas, I Hate Christmas … See more

In the 2018 film, Cindy-Lou can easily be personalized as assertive, proactive, brave, headstrong, confident, determined, persistent, cheerful, friendly, cute, childish, kind, honest, creative, open-minded, nice, resourceful… See more