Animation removed many of the physical limitations of live-action casting.
Sid did not need to look like John Leguizamo.
He did not need to move like him.
The animators could stretch expressions, exaggerate movement and put the character in impossible situations.
Leguizamo supplied energy, timing, attitude and voice.
The result could then become something completely detached from the actor's physical appearance.
That anonymity produced some funny encounters in real life.
Leguizamo has joked in past interviews that children sometimes reacted strangely when parents told them that he was Sid because they could not reconcile the human actor standing in front of them with the animated sloth they knew from the movies.
In a 2016 interview, he recalled that even his own children had initially found the connection confusing when they were very young.
They recognized something of their father's voice but also understood that Sid clearly did not look like him.
It was a strange kind of fame.
Children knew the character better than the actor.
A Franchise That Grew Up With Families
The first Ice Age movie arrived almost a quarter-century ago.
Children who watched Sid, Manny and Diego in 2002 eventually grew into adults.
Some later introduced the films to children of their own.
That generational longevity helped turn Sid from a character into a recognizable piece of family entertainment culture.
Part of the franchise's staying power came from its mixture of slapstick comedy and family themes.
In his 2012 CNN interview, Leguizamo said he loved the films partly because of their message about family.
For him, the central idea was that family did not necessarily require everyone to be biologically related or even similar.
The characters were radically different animals who gradually formed their own group and learned to protect each other.
That idea was there from the beginning.
Manny wanted isolation.
Diego initially had hidden motives.
Sid was abandoned and searching for companionship.
Their journey forced them together.
The franchise turned that unlikely combination into its emotional center.
Sid, for all his jokes, often represented the character most openly desperate to keep everyone together.
He was irritating because he wanted connection.
That helped give Leguizamo more to play than simply a collection of punch lines.
One Successful Movie Became Decades of Work
Nobody making the first Ice Age in 2002 could know with certainty that audiences would still care about these characters decades later.
The original movie had to succeed first.
It did.
Its approximately $383 million worldwide gross established the characters as valuable intellectual property and demonstrated a large international audience.
More films followed, including Ice Age: The Meltdown, Ice Age: Dawn of the Dinosaurs, Ice Age: Continental Drift and Ice Age: Collision Course.
Sid remained one of the franchise's central personalities.
The longevity is particularly important when considering Leguizamo's financial comments.
A major paycheck can change someone's year.
A role that keeps returning across decades can affect retirement planning, property ownership, children's education and the kinds of professional risks an artist feels comfortable taking.
The benefits compound.
That is what makes Sid's role in Leguizamo's financial life so unusual.
College Tuition Makes the Story Personal
Among all the things Leguizamo said Ice Age paid for, one detail stands apart:
His children's education.
Celebrity wealth is often discussed through luxury.
Cars.
Mansions.
Vacations.
Designer clothes.
Leguizamo's reference to college puts the money in a different context.
Education is a family obligation and a long-term investment.
Whatever the exact amount paid—and Leguizamo has not publicly provided a detailed accounting of his Ice Age contracts in the comments being discussed—the fact that he explicitly connected the franchise to his children's college costs shows how he viewed its practical importance.
Sid did not merely produce spending money.
The role helped finance major milestones in his family's life.
A character created in a recording booth in 2002 was still having consequences decades later.
The Houses Tell Another Part of the Story
Leguizamo also said the franchise helped him purchase additional homes.
People characterized his comments as saying the Ice Age paychecks bought his second and third homes.
Again, it is tempting to interpret that purely as celebrity luxury.
But property also represents another kind of financial transformation.
It is wealth converted into a durable asset.
Actors live in an unpredictable profession.
A television series can be canceled.
A movie can fail.