1. The Magic Schoolbus

magic schoolbus
(source)

 

2. Calvin and Hobbes by Sidekick Cosplay

hobbes

 

3. Skeleton Makeup Bull Terrier by DianaArtimis 

(yes, the makeup is washable and non-toxic)

dog thingskeleton

 

4. Gyarados Cat by Freyu

cat pokemon costume gyarados

 

5. Toothless by Loki: Dog of Mischief

loki toothless how to train your dragon dog costume

do stume toothless how to train your dragon