I’m convinced that Snape is not a half-blood Prince but a Half Blood Prince, meaning half Blood and half Prince, meaning his real father was a true blood wizard named Blood.
Except that he is a Half-Blood Prince, not a Half Blood Prince.
Snape himself says it with the hyphen, and the hyphen is also in the title of the book..
If it wasn't, then you might have something. But it is. The half-blood is a recurring theme in the story. Voldemort was one... Harry's maternal side of the family is virtually all muggle.
I believe the
Prince is more of a memorial to his mother, whom he dearly loved. Possibly she's the only person that has ever shown Snape love. But why
Half-Blood? Why would he wish to show off his paternal side, when his father is supposed to be cruel and abusive?
Well, he wouldn't. I believe Tobias Snape was none of those things. That's the only feasible explanation for the Half-Blood part of his name, and why he would want to advertise his muggle half.
Maybe Eileen Prince wasn't so loving toward his father? Maybe Tobias was just driven to an abusive state by his witch wife? Perhaps, like Merope Gaunt did to Tom Riddle, she used a love potion on him, and when she stopped its usage, he rebelled?
It's a memorial to both his parents.
The "Mr Blood" theory disregards the small details, namely the hyphen. In these books, you can't disregard the small details.
There
is a hyphen there.