LeBron James completed his move back to Ohio, then headed off on vacation. (Ty Wright / Getty Images)

LeBron James took a break from his vacation in Greece to take the ice-bucket challenge and, like those who have the chilly mix dropped on them to raise awareness for the cause of ALS, James passed it along — to President Obama.

Gulp.

He also challenged his sons, LeBron Jr. and Bryce Maximus.

James, seemingly one of the few athletes who had not yet taken the challenge, was dared by Kevin Durant, actor Kevin Hart, former high school teammate Brandon Weems and Cavaliers DJ Steph Floss.

Obama, though, seems more inclined to take the alternative choice: writing a $100 check. He turned Ethel Kennedy’s challenge earlier this week and hasn’t gotten back yet to Carmelo Anthony and Team USA.

The Ice Bucket Challenge has dominated social media over the last week, raising more than $10 million, according to the ALS Association.

Related: Paul Bissonnette shows up Roger Goodell

The Ice Bucket Challenge is raising big bucks for ALS research as it continues to gain momentum on social media. (Reuters)