Pinky is the cheerful and unpredictable lab mouse who assists the Brain in nightly attempts at world domination in Animaniacs.
| Publisher | Warner Bros. Animation |
|---|---|
| First Appearance | Animaniacs S1E3: H.M.S. Yakko (1993) |
| Creators | Tom Ruegger |
| Voice Actor(s) | Rob Paulsen |
| Powers/Abilities | Boundless optimism Accidental sabotage Unpredictable insight Genetic mutation (sentience) |
| Teams | Pinky and the Brain |
| Status | active |
Pinky is one half of the laboratory mouse duo Pinky and the Brain in Animaniacs. He shares a cage at Acme Labs with his partner the Brain, enduring and enthusiastically supporting an endless series of world domination schemes that never succeed. Rob Paulsen provides his voice, delivering a performance that balances genuine sweetness with unpredictable absurdity.
Pinky's most defining characteristic is his cheerful incomprehension of the Brain's plans. He absorbs each scheme with identical enthusiasm regardless of how it concludes. His non-sequitur exclamations — "Narf!", "Poit!", "Zort!", and "Troz!" — punctuate his dialogue without logic or warning. The Brain treats these outbursts as symptoms of the same genetic experimentation that made them both sentient, though Pinky seems entirely at peace with his own mind.
Despite his apparent dimness, Pinky occasionally displays bursts of unexpected insight that arrive too late, too early, or in entirely the wrong context to be useful. These moments suggest a deeper intelligence operating on a different schedule than everyone around him. The show plays this ambiguity for comedy without resolving it.
Each Pinky and the Brain segment follows a consistent structure. The Brain announces a new plan for world domination. Pinky asks what they are doing tonight. The Brain explains. Pinky is told he is the same thing they do every night — trying to take over the world. The exchange became one of the most recognized call-and-response moments in 1990s American animation.
Pinky's role in each plan varies. Sometimes he is assigned a critical task that he misunderstands in a way that derails everything. Sometimes he inadvertently rescues a failing scheme through pure accident. His relationship with the Brain operates on genuine affection beneath the surface frustration. The Brain tolerates Pinky not only because he has no other option but because, on some level, he prefers the company.
The duo's popularity within Animaniacs led directly to their own spinoff series, Pinky and the Brain, which premiered in 1995. Paulsen and Maurice LaMarche reprised their roles for all three seasons of that series and for the 2020 Animaniacs revival on Hulu.
Rob Paulsen voices Pinky using an exaggerated British accent that contrasts with his own American Midwest delivery of Yakko Warner. Playing both roles across the same series required Paulsen to switch between two completely different vocal registers within the same recording session. He has described Pinky as the more physically demanding of the two performances, citing the energy required to sustain the character's constant enthusiasm across long recording days.