Sesame Street’s Elmo turned 3-and-a-half Feb. 3, despite being introduced on the show in 1980. Here’s the reason why his age ...

Roger Federer and Elmo from Sesame Street seem to disagree on the letters of the alphabet in a Super Bowl ad for ON running shoes.

Roger Federer recently starred in a hilarious ad campaign alongside Sesame Street’s beloved red muppet, Elmo, for the Swiss ...

Watch as Elmo sits in an umpire's chair and debates the two letters found on Federer's On-branded sneakers: Is it 'Q' and 'C' or 'O' and 'N'?

The ad stars Federer and Sesame Street's Elmo playfully clearing up any confusion around On's brand name and logo in a memorable way. Below is a sneak peek at the great new video. "As On continues ...

The ad serves as a lighthearted approach to explaining the company’s logo, which is often mistaken for "QC" instead of "ON." ...

The lovable fuzzy "Sesame Street" Muppet celebrates in a big way on Feb. 3. Elmo is turning 3-and-a-half, his age forever and always, since he joined "Sesame Street" in 1980. Just go with it.

Elmo, perhaps the most childlike of the Sesame Street Muppets ... explaining to the little red monster that when you’re angry, it can feel like lava bubbling up inside.

This product line for kids brings together the beloved characters of Sesame Street and De Vroomen’s mission to educate the ...

Elmo, perhaps the most childlike of the Sesame Street Muppets ... explaining to the little red monster that when you’re angry, it can feel like lava bubbling up inside.