Annie wears a blue dress, green shirt underneath, Magenta shoes, Magenta bows and has blonde pigtails.
But in Season 2, Annie's outfit changes to a pink dress, light blue shirt underneath, sky blue shoes and white socks.
Annie is a kind and sweet little girl. She cares deeply for her friends. Just like the rest of the team, she is caring and friendly. She loves to sing and is very good at it.
Her friends are Leo, Quincy, June and Rocket.She also has other friends, but they aren't human: a few of her friends are Little Caterpillar, Little Red Train, and Purple Plane.
- Annie was previously 3 years old till the [[The Birthday Balloons|Birthday Balloons]] episode was released making her age 4 years old.
- She was the only character who has piloted Rocket by herself.
- She loves animals, but she is afraid of spiders, just like the rest of the team (as seen in ''Our <s>Big</s> Huge Adventure''), except for the one in "The Treasure Behind the Little Red Door" and the one in "Rocket the Bug". It is also shown in ''Our Big Huge Adventure'' that she is afraid of bats.
- She loves dolphins as proven in ''Pirates Treasure'', but her favorite animal of all is a horse as seen in "The Great Schubert's Guessing Game".
- She owns a silver microphone with orange music notes that she won in a song contest.
- The color of her jean dress changes from blue to pink in Season 2.
- When she wishes to urgently point something out to the team, her usual catchphrase is "Look, look, look!"
- She might have arachnophobia (fear of spiders).
- The color of her shirt changes from green to light blue in Season 2.
- When she is really happy, her smile gets bigger.
- In ''Rocket's Firebird Rescue'', Annie was given Music Power, and may now have it permanently.
- She loves animals just as much as she loves singing.
- In both pitch pilots she wore a blue undershirt and blue overall dress, but in the second sketch of her she wore a pinkish/purplish jean shirt+jean combo, yellow undershirt, and golden boots.