Wizards have many ideas of what constitutes a proper familiar. While I know a wizard with a dog, I do not believe they are commonly popular, at least in media.

[ The Archive bends down to pick her rat up and holds it up in front of her face. ]

Please help us find the shard.

[ She sets it back on the ground again where it looks between the Archive, Accelerator, and the owlet a few times, and then scampers off down the aisle. ]

Let us follow and see if it leads anywhere.