EXCLUSIVE: All of 'Zootopia's' Awesome 'Frozen' Easter Eggs You Might Have Missed

Disney's Zootopia took viewers through a magical universe of anthropomorphic animal cityscapes filled with vibrant colors, gorgeous art design and intricately developed cultures.

Also, in between all brilliant world-building details, the creators managed to throw in a few brilliant, subtle references to the beloved 2013 film, Frozen.

ET has an exclusive look at the "ZPD: Forensic Files" Blu-ray extra, detailing all of Zootopia's hidden Frozen Easter Eggs. Some are a bit more obvious than others, while some are wildly obscure and hard to find.

WATCH: Shakira Opens Up About Playing a Pop Star Gazelle in Disney's 'Zootopia'

1. Duke Weaselton

The shifty, small-time crook is voiced by Alan Tudyk -- and the name is a reference to Frozen's Duke of Weselton, who was also played by the 45-year-old Firefly star.

Tudyk has actually played a villain (or similarly suspicious suspect) in the last four Walt Disney Animation Studios films -- including King Candy in Wreck-It-Ralph and tech mogul Alistair Krei in Big Hero 6.

WATCH: Did You Spot These 9 Pixar Easter Eggs in 'Inside Out'?

2. Anna and Elsa Elephants

In a blink-and-you'll-miss-it nod to Frozen's main sisters, two young elephants walking down the street in Tundratown are dressed like Anna and Elsa.

3. A Familiar Print

In Jumbeaux's Café -- the elephant-run ice-cream parlor -- proprietor Jerry Jumbeaux, Jr. has two plates on a shelf with the exact same pattern that appears on the wallpaper in Anna's bedroom.

PHOTOS: Stars at Disney

Bonus Easter egg: Some familiar DVD covers!

In Zootopia, humans don't exist. So it only makes sense that they wouldn't appear in the films that exist in that world either -- which is why, in Zooptopia, Disney films like Big Hero 6, Tangled and Wreck-It-Ralph are called Pig Hero 6, Wrangled and Wreck-It-Rhino.

MORE: 9 Things That Absolutely Need to Be in the 'Frozen' Sequel

Zootopia comes out on digital HD, Blu-ray and Disney Movies Anywhere on June 7.

For a look at the wild and wondrous world of Zooptopia, check out the video below.

Shakira Is a Singing Gazelle in New 'Zootopia' Trailer

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