Nigel Lythgoe won't question David Cook's vocal prowess but thinks the American Idol seventh-season champ could use a personality pick-me-up when performing.

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"He can certainly sing, and I'd like to see a bit more personality when he's singing," the Idol executive producer told OK! Weekly in a Wednesday report.

If the 25-year-old winner does find that charisma, Lythgoe said he might someday rival the success of former Idol fifth-season finalist Christ Daughtry.

"[Cook could be] enormous for a long time," Lythgoe told OK!.

Lythgoe added Cook wasn't the only seventh-season finalist who could use a boost of character.

"That was the only thing that I think our finalists lacked a little bit this year, was more charisma," Lythgoe told OK!.

Idol finalists weren't the only people Lythgoe apparently has a problem with, as he also took aim at President George W. Bush. 

Lythgoe claims Bush's "people" insisted the President participate in Idol Gives Back for the second year in a row despite producers being disappointed at Bush's lack of effort in fighting poverty.

"The President is always saying 'I want to be on [Idol Gives Back],'" Lythgoe told OK!.  "We didn't ask the President this year to say anything because we are all a bit embarrassed about him, and the office insisted that, because the [primary] candidates were on it, the President would like to come on and say 'Thank you.'"

Lythgoe said he plans on continuing to help those in need through his capacity as a So You Think You Can dance judge and producer by having audience memebers donate canned goods before entering.

"So if you want a ticket for So You Think You Can Dance, all you have to do is bring a can of fruit or vegetables or something," he told OK!.  "And I'll come and collect it each week and just take it away."
About The Author: Christopher Rocchio
Christopher Rocchio is an entertainment reporter for Reality TV World and has covered the reality TV genre for several years.