Do you mean the Actors who play them?
Because if so ..
The person who plays Hagrid is Robbie Coltrane
and the Actor who plays Severus Snape is Alan Rickman :)
Hope this helped!
Rubeus Hagrid.
Rubeus Hagrid
Rubeus Hagrid took Harry Potter to Hogwarts.
Robbie Coltrane and he plays Rubeus Hagrid
Well Hagrid wasn't extremely sentimental for Harry, he also only named his children after dead people and Hagrid was still alive when he his kids.
Hagrid is of mixed human and giant parentage, his mother is the giantess Fridwulfa and his father was a tiny wizard.
Rubeus Hagrid.
Rubeus Hagrid.
Rubeus Hagrid.
HAGRID'S name is Rubeus Hagrid.
The author did not provide that information.
Rubeus Hagrid is his name.
Grawp is Hagrid's half brother if your looking for specific names- but they are just referred to as a species as 'Giants' if you mean trolls then that is something different.Trolls are not as big and less intelligent.
Rubeus Hagrid
Fridwulfa was his mum, don't think he mentions his dad...
Harry's pet was named Hedwig. It was a Snowy Owl.
Rubeus Hagrid won the dragon's egg in the Hogs Head pub in Hogsmeade. The pub is owned by Aberforth Dumbledore, brother of Albus.
His name is Rubeus Hagrid. I added a link to detailed information.