Sully

Sully is an Irish surname Anglicized from Ó Súilleabháin, meaning 'descendant of Súilleabhán,' a byname possibly meaning 'hawk-eyed' or 'dark-eyed.' As a pet name it is also associated with the large, furry blue character Sully from Pixar's Monsters, Inc.

Sully is a name that combines Irish heritage with undeniable Pixar charm. James P. Sullivan — Sully — from Monsters, Inc. is one of the most beloved animated characters in film history: enormous, protective, secretly gentle, and deeply devoted to the small creature in his care. It's a perfect name for a large, fluffy dog who is intimidating on paper but a complete softie in practice. The Irish surname roots add a layer of authenticity for owners who want something with real cultural grounding, not just a pop culture reference.