"Harry Potter" author J.K. Rowling has finally revealed why Harry named his son after Severus Snape.

When the final book in the series, "Harry Potter and the Deathly Hallows" came out eight years ago, fans were upset to find out that Harry named his second son, Albus Severus Potter, after Hogwarts headmaster Albus Dumbledore and the spiteful potions professor Severus Snape.

"Why did you pick Snape to name Harry's kid after? I'm genuinely curious as he was nothing but abusive towards everyone" wrote a one of Rowling's Twitter followers, according to TIME.

"Snape died for Harry out of love for Lily," Rowling replied. "Harry paid him tribute in forgiveness and gratitude."

Rowling's answer then set off a huge debate among fans on Twitter while Rowling told them all to "never change." 

"I've got to say this: you lot have been arguing about Snape for years," Rowling wrote on Twitter after discussing Snape. "My timeline just exploded with love & fury yet again. Never change."

Rowling then went on to discuss Snape's character and why Harry would have honored him.

"Snape is all grey," she wrote. "You can't make him a saint: he was vindictive & bullying. You can't make him a devil: he died to save the wizarding world."

"In honouring Snape, Harry hoped in his heart that he too would be forgiven," Rowling continued. "The deaths at the Battle of Hogwarts would haunt Harry forever."

Check out all the tweets from Rowling below.

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