I can't remember if there are any dementors in the half-blood prince, there may have been some mention, but there weren't and serious scenes with them like when Harry fell off his broom or when he and Dudley got caught by them.
Harry Potter and the Order of the Phoenix.
Yes, the dementors join Voldemort in Harry Potter and the Deathly Hallows.
The dementors make him remember of his past when voldemort killed his parents
Harry hears his mother (Lily Potter) screaming his name.
The dementors are computer animated characters who don't talk, nobody plays them.
snape. his mothers maiden name was prince and he is halfblood. hence the halfblood prince.
yes
No, dementors are foul creatures. There are no males or females.
Harry Potter and the Order of the Phoenix.
he iin the entrance courtyard, ouside the entrance hall
There are no pixies either.
The dementors make him remember of his past when voldemort killed his parents
Yes, the dementors join Voldemort in Harry Potter and the Deathly Hallows.
Dementors don't actually exist so no there won't be.
Harry hears his mother (Lily Potter) screaming his name.
harry potter and the prisoner of askcaban harry potter and the order of the phenix
dementors you silly Muggle!! ;)