He's a pet?
Snoopy.
Snoopy
Charlie Brown doesn't have a bird but his dog Snoopy has a bird friend named Woodstock.
Charlie Brown's dog's name is Snoopy.
He is Charlie Browns dog.
It is in Charlie Browns house on his desk.
It is in Charlie Browns house on his desk.
snoopy
Assuming you mean the little yellow bird - Snoopy's companion is called Woodstock.
Snoopy the Beagle ; see relevant link .
Woodstock the bird
Charlie Brown does not have a brother, he has a sister (Sally) and a dog (Snoopy.)