If he woke up as an Anthro, Seifer would probably be a Deer
In this case I picked mostly Fallow Deer trait, because they're lovely animals with an really interesting antler shape.
This one however has traits from a Muntjack as well... also known as a -Water Deer-.
They get fangs.
Toasty said he looks like he would be very open to pets and be very gentle right until he bit your fingers.
That's probably accurate.