For decades,Pixar Animation Studioshas wowed its audience with their creative, well-written, and stunning animated films. Best known for their Easter eggs, most fans may have caught onto the way they give a nod to their old classroom number, bounce that bright, colorful ball around a scene, and sneak everyone’s favorite pizza delivery truck into (almost)every single Disney-Pixar movie.RELATED:Disney+ Celebrates Pixar’s Birthday with New Easter Egg-Filled VideoBut only the eagle-eyed viewers may have noticed how often you’ll see characters from one movie appear in another, however subtle or obvious Pixar decides to make it. Whether it’s to foreshadow their next release or simply bring some nostalgia to longtime Pixar fans, the studio admits they’ve made a point to make their characters “guest star” in other movies. After all, Pixar movies do all fall on the same timeline.

Duke Caboom In ‘Incredibles 2’

Before he was crash-landing from rooftop to rooftop inToy Story 4,action figure Duke Caboom made hissupersubtle Pixar movie debut inIncredibles 2.

Next time you’re having anIncrediblesmarathon, keep your eyes peeled for “Canada’s greatest stuntman” among some building blocks in Jack-Jack’s playpen. With Duke being a 1970s toy andThe Incrediblesmovies taking place that same decade, perhaps Mrs. Parr was actually the one who donated him to Second Chance Antiques?

Duke-Caboom-Appearing-In-Incredibles-2-With-Jack-Jack-And-Dash-1

Flick And Heimlich In ‘Toy Story 2’ Bloopers

This cameo is one you will only find in the end credits ofToy Story 2.Seen standing on a branch, Flik and Heimlich discuss their excitement about filming “A Bug’s Life 2,” just before Buzz Lightyear appears whacking away the branch they’re standing on.

It’s a fun little nod to Pixar’s previous release, but it begs the question: since Flik and Heimlich know they’re actors inA Bug’s Life,does this mean Woody, Buzz, and the rest of the toys are paid actors as well? This blooper reel certainly suggests it and adds a whole new element to the infamous Pixar Theory.

A Bug’s Life FLik And Heimlich Appear In Toy Story 2 Bloopers

Jessie In ‘Monster’s, Inc.’

Along with another toy of Andy’s — the Luxo Ball — this unexpected appearance makes it clear that Jessie fromToy Story 2, 3,and4is also a toy of Boo’s.

When Sully finally brings Boo back to her room after her monstrous adventure in Monstropolous, Boo is thrilled to show her BFF all of her toys. As she hands Sully the Luxo ball and what appears to be a stuffed animal version of Nemo (Pixar’s way of hinting at their next release), Boo also hands him a Jessie the Yodeling Cowgirl doll.

Jessie Appearing In Monster’s Inc With Boo And Sully

Sid Phillips In ‘Coco’

As far as Pixar cameos go, this character spotted in The Land of the Dead just may be the least known one. If you thought Sid’s only appearances were inToy StoryandToy Story 3,think again.

Sid Phillips, toy-destroyer-turned-garbage-man, can be seen as one of the talent show acts inCoco.After all, that scatting inToy Story 3,it’s only fitting Sid created a one-man show in his afterlife while rocking the same skull t-shirt he’s worn since he was a child, no less!

Sid Phillips From Toy Story In Coco

Dug In' Ratatouille'

ThisRatatouillecameo is arguably one of Pixar’s best-known character Easter eggs, yet all that can be seen of this character is his shadow.

RELATED:‘Dug Days’ Shorts Headed to Disney+

When Remy ends up scurrying through an apartment building, he’s chased off by the silhouette of a barking dog. And after much speculation,longtime Pixar writer Pete Docterconfirmed at a San Diego Comic-Con in 2008 that barking dog is none other than Dug fromUP.

Lots-o'-Huggin' Bear In ‘UP’

Known at Sunnyside Daycare as Lotso,Toy Story 3was not this huggable, strawberry-scented toy’s first movie role.

Before he was tormenting Andy’s toys at the daycare and then attempted to immolate them all in an incinerator, Lotso could be seen much cuter and calmer at a child’s bedside inUP.As the little girl watches Carl’s balloons float past her window, Lotso sits on the floor across from a Luxo Ball (gee, does every kid in the Pixar universe own one of these?).

Dug Appearing With Remy In UP

Buzz Lightyear In ‘Finding Nemo’

Although Buzz has a long résumé of starring roles under his glow-in-the-dark utility belt, he’s also made several cameos in both Pixar andDisneyfilms, his first beingFinding Nemo.

On the waiting room floor of the 42 Wallaby Way dentist’s office, Buzz can be seen among a jack-in-the-box and a spinning top in front of the toy chest. Plastic space rangers need their teeth cleaned too, right?

Geri In ‘Toy Story 2’

This character’s appearance inToy Story 2blew the minds of every viewer back in the day. Not only because he’s a Pixar character, but he’s a Pixar short character.

RELATED:Best Pixar Animated Shorts, Ranked

Geri, of the shortGeri’s Game,was notably seen playing a solo game of chess right beforeA Bug’s Lifeaired in theaters and on the VHS. But despite starring in his own short, Geri’s Pixar fame emerged when he appeared as the toy repairman who gives Woody some stitches and a much-needed paint job inToy Story 2.

Tin Toy In ‘Toy Story 4’

This highly-anticipated cameo is onePixar teased for monthsbefore the release ofToy Story 4;one only the biggest Pixar fans found themselves on the edge of their seats for.

When Bo takes Woody to a club for toys that have been hidden beneath a pinball machine at Second Chance Antiques, she addresses the owner as Tinny, who turns out to be Tin Toy himself. But this wasn’t most viewers' first sighting of Tin Toy, who starred in the 1988 Pixar short of the same name, then later appeared in a blink-and-you’ll-miss-it scene inToy Story 2.

Luxo Jr. In ‘Toy Story’

The very first Pixar character to appear in a Pixar movie is one from an Academy Award-nominated short and has become a defining symbol of the entire animation studio.

Luxo Jr., a literal Luxo desk lamp, didn’t make its on-screen debut in the shortLuxo Jr.(which played just beforeToy Story 2) but instead with its minor role inPixar’s first motion picture,Toy Story.Amid his jealous rage, Woody convinces Buzz to go save a fallen Magic 8 Ball, which ultimately lands Buzz being accidentally hit by Luxo Jr. and thrown out Andy’s window.

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