Dennis Kenney is an American actor, singer, and dancer. He is best known for his work as the Grinch in the New York press tour of Dr Seuss' How The Grinch Stole Christmas! He is also the founder of Style with Den and works as a stylist and fashion correspondent. In 2019 he created the fashion line NONDK Apparel.
Born in Boston, Dennis Kenney graduated from the Carnegie Mellon College of Fine Arts with a Bachelor of Fine Arts in Drama.
Kenney has performed as a professional dancer and singer on stage. He performed the role of Eddie in the Las Vegas Company of Mamma Mia! as well as The 42nd Street Revival Tour and the 40th anniversary revival of Mame at the Kennedy Center in 2006 with Christine Baranski, Harriet Harris, and Emily Skinner.
Kenney was part of CBS Networks Ethnic Diversity Comedy Showcase and later had a minor role on The Young and the Restless. His first primetime appearance was on Comedy Central when he performed an impression of Alex Rodriguez in the first episode of the Onion Sportsdome in a segment titled "The Overcomings of Andre (The A-Rod Musical)." He has also performed on The Today Show with Kathie Lee and Hoda Kotb, CNN's Starting Point with Soledad O'Brien, Fox and Friends, The Couch on CBS, and The Better Show. As a voice actor, Kenney appeared in several 4Kids Programs, including as the voice of Brock on the Pokémon Live! soundtrack and stage performances. He also filmed an official Pokémon promotional tape co-hosting with Andrew Rannells distributed at Target stores in the USA in 2001. In 2019 Kenney was the Wardrobe Supervisor for Season 10 of Trading Spaces on TLC.
Kenney is also the founder and creative director of StylewithDen, and works as a celebrity stylist and lifestyle consultant. Since 2019 he has contributed style and seasonal fashion advice to Good Morning America and has been a fashion contributor to ABC's World News Now. In 2019 he created his own fashion line NONDK Apparel, for which he designed Pride-related fashion and a tote collection.