No known family members
Order of the Phoenix
No known special abilities
is a rather small wizard. He is mentioned occasionally.
Dedalus Diggle is a tiny wizard who sometimes wears a top hat.
Dedalus Diggle in the books
Diggle is mentioned a few times. The first is after the defeat of Harry Potter and the Philosopher's Stone, Voldemort, he seems to be responsible for a downpour of shooting stars in Kent.
He seems to live around the same area as
Harry Potter, because he once bowed to Harry when the latter was assisting Petunia Dursley with her shopping.
The Leaky Cauldron, Dedalus shakes Harry's hand five times before Hagrid takes Harry to Diagon Alley.
From the Story
Discovered in chapter 5, Diagon Alley
Diggle is delighted to meet Harry in the Leaky Cauldron, his top hat falling off in his excitement. He is thrilled when Harry remembers that he is the man that once bowed to him when he was out shopping.
Once they have entered number twelve, Grimmauld Place, the members of the Order of the Phoenix are directed to a room off the hall by Mrs Weasley, where a meeting has just begun.