Della

Della is a duck who is a friend of Leap. She was the daughter of Mr. Websley. Her hobbies are swimming and being friends with Lily and Casey.

In Counting on Leap, she likes to swim.

A Tad of Christmas Cheer

In Leap's Friends from A to Z, D comes before E - which in fact, she comes before Emma Elephant. In the Math Circus, she was befriended by a rhinoceros.

In the video Learn to Read at the Storybook Factory, she plays as one of the Three Little Pigs.

She appears as a crowd participant in The Math Circus.

The Math Circus (cameo)

She appears as a pilot and an Alphabet Bus passenger in Leap's Big Day.

Her birthday is June 2nd, 1992; it states that her favorite season of the year is Summer. She is from Lincoln, Nebraska. It is examined that she is a year younger than Leap.

In Fair is Fair, she once argued with Tim; no one (including her!) payed attention to Lily and Casey, who are a bit jealous.

She is voiced by Isabella Marriott in 1999 to 2002 and later Terese Aiello in 2003-04 and Cindy Robinson in 2005-08.

The Number Factory