Who plays Sullivan in Monsters, Inc.?

Sullivan is played by John Goodman.

What are Sullivan's abilities?

Sullivan's abilities include super strength, roaring, leadership, empathy.

Sullivan has 7 mapped relationships in Monsters, Inc.. Explore the interactive relationship map for details.

Bill Sullivan (Spouse). James P. Sullivan (Child).

Top scarer at Monsters Inc., large blue furry monster with a heart of gold.

Sullivan — related — Randall (Steve Buscemi)
Sullivan — related — Mike (Billy Crystal)
Sullivan — Social Best Friend — Mike (Billy Crystal)
A close friendship that anchors the story.

The plot calls Mike Sullivan's best friend and assistant, and they repeatedly support each other during the crisis.
Sullivan — Social Protective Bond — Boo (Mary Gibbs)
Sullivan develops a caring attachment to the human child.

Sullivan hides Boo, nicknames her, rescues her from the Scream Extractor, and tries to send her safely home.
Sullivan — Conflict Rival — Randall (Steve Buscemi)
Professional rivalry escalates into direct physical conflict.

Randall is described as Sullivan's rival and later fights him after Sullivan rescues Boo.
Sullivan — Power CEO — Waternoose (James Coburn)
Waternoose holds formal authority over Sullivan.

Waternoose is the CEO of Monsters Incorporated and banishes Sullivan to the Himalayas.
Sullivan — Alliance Institutional Supporter — Roz (Bob Peterson)
Roz secretly assists Sullivan at the decisive moment.

The undercover CDA agent Roz allows Sullivan to send Boo home after Waternoose is exposed.

Related entry on Wikidata (Q136536920), public domain (CC0).