Kim Jong Un: 'Grease' Role at Boarding School Shaped North Korean Ruler?

Before he became an anti-American dictator, North Korean ruler Kim Jong Un starred in his school's production of "Grease" as a member of the leather jacket-clad T-Birds, according to U.K. newspaper The Sun.

Kim Jong Un, who attended the exclusive International School of Berne in Switzerland from 1994-1997, reportedly loved singing along to "Summer Nights" and "You're The One That I Want" from the stage version of the 1978 film "Grease" starring John Travolta and Olivia Newton-John.

Special: Should the Supreme Court Legalize Gay Marriage? Vote in Urgent Poll.

The Sun claims the 30-year-old despot was around 11 years old at the time.

Jong Un attended the school under a pseudonym and even had a bodyguard who went undercover as a 14-year-old schoolboy.

The North Korean leader also reportedly enjoyed comic books and American films like "Jurassic Park." Classmates remember him as reserved and quiet.

"Everyone now looks at him as a lunatic who hates the world but the kid I remember was the quietest person I have ever met," former classmate Tal Rapp, 34, from Israel, told The Sun.

Other media outlets refute The Sun's claims, and argue the photos of the child acting in "Grease" are probably Kim Jong Un's older brother. The Washington Post pointed out that the timeline seems off, and that Kim was previously known to have attended the Liebefeld-Steinhölzli Schule, which is near, but not in, Berne.

"There's a significant possibility that, assuming those photos are not just of some innocent Korean child, they actually show Kim's older brother, Kim Jong Chol," writes the Post's Max Fisher. "Both Kims did attend Swiss boarding school, although they went to different schools and at different times. Kim Jong Chol is known to have attended the International School of Berne, the school identified in these photos, and around the time that these photos were taken, which suggests that they may well be of him."

Though he may have embraced Western society as a kid, Kim Jong Un's most recent antics suggest he is now anti-American. North Korea has made many threats against the U.S., including a series of YouTube propaganda videos featuring missile attacks and nuclear warfare between the two countries.

South Korea warned Monday that the North is preparing to conduct a fourth atomic weapon test, and Admiral Samuel Locklear, head of the U.S. Pacific Command, said Monday that efforts by Jong Un's regime to build and test nuclear weapons and ballistic missiles "represent a clear and direct threat to U.S. national security and regional peace and stability."

Editor's Note: The IRS’ Worst Nightmare — How to Pay Zero Taxes

Related stories:

Dennis Rodman Secret: Kim Jong Un, North Korean Leader, Has 'Daughter'

Dennis Rodman, North Korea's Kim Jong Un Plan to Vacation This Summer