They've called him that before.
"The question of what motivates Mr. Adelson's singular generosity toward the former House speaker has emerged front and center in the campaign. People who know him say his affinity for Mr. Gingrich stems from a devotion to Israel as well as loyalty to a friend. A fervent Zionist who opposes any territorial compromise to make way for a Palestinian state, Mr. Adelson has long been enamored of Mr. Gingrich's full-throated defense of Israel. "
http://www.nytimes.com/2012/01/29/us/politics/the-man-behind-gingrichs-money.html