Zapdos

Zapdos is a bird Pokemon that is said to appear from the clouds, while dropping enormous lightning bolts. In "Island of the Giant Pokemon" Ash, Misty and Brock wander around a deserted island looking for their lost Pokemon and encounter a huge Zapdos screeching above! Little did they know that the Zapdos is a giant robotic Pokemon!

First appearance: Episode 17 — "Island of Giant Pokemon"