Sadie is a villain from Fred and the Nature Gang. She made her debut in Season 3. She tries to get rid of the Nature Gang, and she hates
Fred and Tanya the most. She calls Fred a "stupid cat" and Tanya a "stupid dog". She calls Hal a "mangy mutt", which is what Ca Lada Bumblecrum calls Hal in Hal's Puppyhood. She calls Daisy a "dumb bunny" and Squeeks a "squirt". She calls James and Emma "stupid heads". In a few episodes, she teams up with Jake and gets upset with Jake and screams his name annoyed many times.
In the 2015 series, she is a nice dog who lives in the city.