In the early days of animation, New York’s main production strength came from a trio of studios that could consistently produce and distribute cartoons. Bray Productions, Fleischer Studio, and Iwerks Studio built full-scale operations with regular output and established distribution, which is why they’re remembered as the dominant New York studios of that era. Winsor McCay’s Studio, though tremendously influential and pioneering (most famously Gertie the Dinosaur), operated on a much smaller, more artisanal scale and didn’t sustain the same level of ongoing, factory-like production. That’s why Winsor McCay’s Studio isn’t counted among the three main New York studios of the period.

Rotoscoping is the technique of tracing over live-action footage to create animation, which helps capture movement and timing with a realism that’s hard to achieve by drawing from memory alone. Max Fleischer is the animator most closely tied to the development of this method, having introduced the rotoscope in the 1910s. By projecting filmed actions and tracing them frame by frame, his work brought a lifelike quality to animated characters and set a lasting association between Fleischer and this tracing process. While other early pioneers like Émile Cohl and Winsor McCay advanced animation in important ways, they did not originate rotoscoping. Disney later used rotoscoping as a practical tool to study movement, but the invention and early development belong to Fleischer.

The idea here is to build the humor and storytelling around clearly defined character personalities. Walt pushed the animators to give each pig a distinct temperament so the audience could instantly understand who they are and anticipate how they’d react in each situation. The trio’s traits—one practical and cautious, one musical and carefree, and one curious and spirited—shape every action, expression, and joke, making the short feel alive through character rather than just gags. Music reinforces these personalities, turning songs and rhythms into character beats that underscore who each pig is and how they respond to the wolf’s threat. This emphasis on personality produces a richer, more memorable experience, where the humor comes from the pigs’ differences and choices. Other directions, like adding romantic subplots or reducing the musical element or chasing faster animation, would shift focus away from what makes the piece stand out: strong, distinct character portrayals driving the story.

Pioneering full-color animation with the Technicolor process in its early works is most closely associated with Disney. In the early 1930s, Disney released Flowers and Trees, a Silly Symphonies short that used three-strip Technicolor and became the first animated short to win the Academy Award for Best Animated Short, signaling a new era of vivid, saturated color in animation. This success established Disney as the leader in color animation and set the standard for how color could enhance storytelling and visual design. Building on that momentum, Snow White and the Seven Dwarfs in 1937 became the first full-color animated feature, proving that audiences would embrace a complete story in color and cementing Disney’s ongoing role in color animation. While other studios later produced color cartoons, Disney’s early, landmark experimentation and the resulting iconic color features make it the studio most closely tied to pioneering full-color animation through Technicolor.