.... I think I need to go and rewatch that now. They nailed it. Yes, it's the original project, as we were all expecting, but it turned out so well. I absolutely loved it. In the words of Claudia from Interview with the Vampire - "I want some more."
As the Texts from Castlevania tumblr page posted, "Meanwhile, at Frederator Studios marketing:
Executive: Alright gentlemen, this is our chance. Castlevania’s a big IP. Let’s not fuck it up by underselling it. What do Castlevania fans want?
Unpaid intern three rooms over, slamming their palms on the nearest desk: TO BANG ALUCARD"
That aside, the casting and animation were spot on. Yes, the music wasn't the classic tunes we love, but it worked for the series. Amitage and McTavish were amazing.