Because that's what our Earl at home called them when he created them.

[A generic answer but one all the same. It's the truth and that's what matters. His hands grip tighter as he spins in the air and tucks her up against his neck. His hand forces out, just barely having dodged another round of snapping jaws from something flying, and a volley of Dark Matter bursts out to tear down its wings, leaving it plummeting into the masses below. It's getting tiring to use his energy so much, for once not replenishing fast enough, and he growls internally at his own limits appearing.

At least the hedge fort is in sight and he touches down near it.] I'm going to carry you through the wall, understand?