Avenger

Avenger is Harvey Birdman's best friend, who is revealed in the series, is known since Birdman was 16 years old. He is a giant and purple eagle; Birdman's great adventure partner, who now accompanies him as his secretary. He is usually seen taking dictated in a typewriter or filing Birdman's papers. Despite not being able to speak, it is clear that Avenger continues to understand human language and also that Birdman continues to understand every thing his friend says, as was the case in the original series.