Twitter Erupts Over Ashton Kutcher Joining 'Two and a Half Men'

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Ashton Kutcher

"Are we being punk'd?" writes one tweeter about Charlie Sheen's replacement, while another adds that "Kutcher in for Sheen seems like, duh, winning for everyone (except tiger blood boy)..."

Soon after The Hollywood Reporter broke the news that Ashton Kutcher will replace Charlie Sheen on CBS' comedy Two and a Half Men, Twitter lit up with viewers' reactions.

In fact, Kutcher became a trending topic almost immediately.

RELATED: Chuck Lorre Hatches 'Two and a Half Men' Reboot Without Charlie Sheen (Exclusive)

Among those weighing in were Stewie Griffin, the character from Fox's Family Guy.

"Ashton Kutcher might replace charlie sheen on Two and a Half Men. From tigerblood to cougarblood," Griffin tweeted, an obvious reference to Kutcher's wife, Demi Moore, who is 16 years older than him.

Echoed another Twitter user, Devin Ramos: "Ashton Kutcher to replace Sheen on Two and a Half Men? I wonder if they'll have his character hook up with older chicks."

RELATED: Ashton Kutcher Tweets About Joining 'Two and a Half Men'

Some tweeters made quips related to Kutcher's MTV celebrity-prank show, Punk'd.

THR chief TV critic Tim Goodman wrote: "Looks like Charlie Sheen got Punk'd." He added: Soooo, Sheen is replaced by someone younger, better looking, less f-ed up and more Twitter followers. Duh, losing."

Added a surprised Robert Bonanni: "Ashton Kutcher replacing charlie sheen on two and a half men? Are we being punk'd?"

RELATED: 'Two and a Half Men' Seeking Sheen Replacement as CBS, Warner Bros. Agree to Split Cost

Meanwhile, several tweeters were happy about the surprise casting. Among them:

"Does anyone know if there is any truth behind the latest rumor regarding charlie sheen's replacement? Ashton kutcher? If so, thats awesome!" -- Beth Gooden

"Kutcher in for Sheen seems like, duh, winning for everyone (except tiger blood boy)..." -- David Poland

"Ashton Kutcher > Charlie Sheen" -- Loo F

"Omg Two and A Half Men is gna POP with Ashton Kutcher on it!!! That show just found a million new fans" -- Candace Smith

RELATED: Charlie Sheen Silent About Ashton Kutcher Replacing Him on 'Two and a Half Men'

But there were just as many naysayers:

"Ashton Kutcher to replace Charlie Sheen? WHAT? OH GOD NO" -- gordofredito

"If Ashton Kutcher replaces Charlie Sheen on Two and a Half Men, me and that show are done!" -- Melissa Lujan

"Just when the show couldn't get any worse - Ashton Kutcher is replacing Charlie Sheen on Two and a Half Shows Were Too Many." -- Ken Welty

RELATED: 'Entourage' Creator Pursuing Charlie Sheen for Role on His HBO Comedy

Still others were ambivalent:

"So Ashton Kutcher is replacing Charlie Sheen... *open mouth* *close mouth* *open again* *close again* Lost for words.. Yay or Nay??" -- Caroline

"Ashton Kutcher might replace Charlie Sheen? I guess that would make the show easier to watch." -- Alaska Snob

Some even wondered how Kutcher will be written into the show:

"But will Ashton Kutcher be like 'good morning charlie..did you cut your hair? you look diferent' 'hi but something like that"? LOL" -- Richie Pop

However, Sheen himself has yet to weigh in about his replacement via Twitter.