For 100  who is Daisy, who is easily spooked in to barking at everything

For 200  Who is Holly Whiskers

For 300  Who is His Royal Highness King Zaphod Vivian Whiskers Aztecs, King of the Kalahari

For 400  Who is Mozart

For 500  ?????? couldn't find the name, wild guess Sleepy Lazuli Moomins