<P> Tim's parents lift the grounding and take them to Puppy Co. for the "take your child to work day". While there, they slip away and find what they think is the plans for a "Forever Puppy", but it turns out to be a trap set by Francis (who is surprisingly a tall man). They discover that Francis used to be the head of Baby Corp. and Boss Baby's idol but was forced out when it was discovered that his lactose intolerance kept the secret formula from working properly . Vowing revenge, Francis founded Puppy Co. and intends to have the Forever Puppies overshadow babies by stealing Boss Baby's serum bottle and infecting the puppies with it . Tim's parents go with Francis to Las Vegas, and Francis has his brother Eugene pose as Tim and Boss Baby's babysitter to keep them from interfering . </P> <P> Without a steady flow of formula to keep his intelligence in check, Boss Baby starts becoming a normal baby . Despite this, he and Tim evade the "babysitter" long enough to get to the airport but are too late to intercept Tim's parents . After letting out their frustrations at each other and quickly making up, they sneak on a plane for Elvis impersonators bound for Vegas . There, they stall Francis' presentation when Eugene unwittingly gives away their plan . Furious at their interference, Francis locks Tim's parents up so he can burn them with exhaust from a rocket used to launch the Forever Puppies . Tim and Boss Baby push him off of a ledge, making Francis tumble into the formula . Boss Baby opens the rocket to let the dogs out so they can save Tim's parents . His return to baby state is complete while on the rocket, but the baby starts crying and Tim sings to him with the family song to show his appreciation, causing him to jump off the rocket before it launches . </P> <P> Boss Baby gets promoted and leaves . Tim goes back to being an only child, but Tim and Boss Baby miss each other . After Tim writes a letter convincing him to live with him as his brother, Boss Baby returns to the Templeton family as a regular baby named Theodore Lindsey "Ted" Templeton . </P> <P> Back in the present, Tim, who finished the story, is now an adult and the father of two daughters, one of whom acts like Ted did when he was Boss Baby . </P>

What is the boss baby's name at the end of the movie