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.

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'?

Roger Federer certainly had no problem occupying his time after finishing his professional career. The former world No.1 said ...

The adored children's character jokingly criticized the tennis great over his spelling abilities. By cleverly tackling the widespread uncertainty about the brand's logo, the advertisement turns it ...

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

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

Consider yourself Elmo, celebrating your third birthday... once more. We are beginning to believe that this little red furball has figured out the secret to eternal youth.

Do you remember when the battle of the century stormed every social media post? That's right, today I'm diving into the ...

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 ...

Elmo is turning 3-and-a-half, his age forever and always, since he joined "Sesame Street" in 1980. Of late, he's become a ...