"Russell the Muscly Kangaroo" is a Kangaroo who is a friend of The Hooley Dooleys. He was also the first friend to be presented out of the 5 characters, introduced in 1996, his best friend is Tickle the Doodat
- On the front cover of The Hooley Dooleys album, he is yellow in both cartoon and live-action, but he is a little bit of a sandy tanned tone in live-action but he still has brown hair on both cartoon and live-action but darker in cartoon and lighter in live-action
- He is the longest-existing Hooley Dooley friend for 13 years, starting from 1996-2009.
- He also appeared in the Yumbo Jive music video, which was the only on-screen time he was alone with The Hooley Dooleys because Tickle wasn't introduced yet
- Russell was born on January 15, 1993, making two years older than Tickle, he is now 25 years old.