Mateo wants a cupcake

3-year-old Mateo rocketed to Internet fame after his mother, Linda Beltran, uploaded a YouTube video of him begging her for a cupcake for dinner.

"Linda, honey, just listen to me," says Mateo to his mother. Beltran says her son calls her Linda when he's "very serious," and he wants to make sure she's listening to him.

After viewing the video last week, Ellen Degeneres made a plea for Linda to bring Mateo on her show. Beltran and a more subdued Mateo appeared on the show yesterday.

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