Lynn Meidraa gets an eternal puss caterpillar with a tiny human face as their familiar...
>.> <( . . . )
They also have a pact with a fellow vampire, one of the teachers...the teacher will have their back/come to their aide, and/or share blood...

And...
Glennalua Mythiarn gets a green, dancing, cartoon apple...yes, I'm serious, I just realised how normal most of the familiars have been till now...