#0025 · Generation I
What Animal Is Pikachu Based On?
Pikachu most closely resembles mouse or pika.
Closest animal
mouse or pika
Confidence
Strong animal match
Why this comparison?
Pikachu is officially mouse-like, with many fans also noticing pika and squirrel-like traits.
Official category: Mouse Pokemon. This page is an AnimalDex comparison for real-animal resemblance, not an official design-origin claim.
More mouse or pika comparisons in Generation I
| No. | Pokemon | Closest animal | Basis |
|---|---|---|---|
| #0026 | Raichu | mouse or pika | strong |