In Big Hero 6 (2014) a picture of Hiro's cat Mochi can be seen in the background wearing a Stitch costume : r/MovieDetails
Check out girlspectacular's Shuffles Hiro Hamada from Big Hero 6 Outfit perfect for Disneybounding or a Halloween Costum… | Big hero 6 costume, Big hero 6, Big hero
Hiro Hamada (Big Hero 6) by Shounen Soul | ACParadise.com