The Hogwarts headmaster (Harry Potter books and films) is "Professor Albus Percival Wulfric Brian Dumbledore."
poppy pants
The order of the Pheonix
knock
with the magic of dumbledores testicles
Wand coloured.
In the Room of Requirement.
WHERE? IF you mean what is his patronus, I think it's a phoenix
Phoenix's feather - It is feather from Dumbledores phoenix Fawkes.
If you are referring to the book: Harry reads an article about Dumbledore written by Elphias Doge; Dumbledores old friend. It explains a lot about Dumbledores childhood. After that harry reads another article about Dumbledore written by Rita Skeeter. This article explains more detail about Dumbledores childhood too.
That's classified information.
Deluminator or put-outer which was given to him in dumbledores will
There are many ways to spell a name, and it is entirely up to the individual to spell their name any way they wish.