Theodore Lindsay Templeton, also known as the Boss Baby, is the overall titular main protagonist of The Boss Baby franchise. He is the titular main protagonist of The Boss Baby, Anti-hero in The Boss Baby: Back in Business, and one of the two main protagonists (alongside Tim Templeton) of The Boss Baby: Family Business. He debuts in The Boss Baby. He is voiced by cast member Alec Baldwin in The Boss Baby, and voiced by starring cast member JP Karliak in The Boss Baby: Back in Business.