|The following is based on the Wild Wasteland trait and has not been confirmed by canon sources.|
'Seymour' has the appearance of a normal dog but with a reduced size, so it is easy for the player to carry. He appears to have been fossilized where he stands, possibly having been owned by Sunflower Summers.
Seymour can be placed in the inventory and dropped anywhere the player wishes, making him a desirable statue. Oddly, Seymour does not weigh anything.
In the Cave of the Abaddon to the right of the entrance, standing on an overturned cabinet.