Alyssa Milano calls Haim a "sweet boy" while Ashton Kutcher calls him a "childhood hero."

PopEater.com rounded up a list of tweets from celebrities who expressed shock and grief on Twitter hours after the LAPD confirmed Lost Boys star Corey Haim’s death in Burbank, Calif., Wednesday. Alyssa Milano calls Haim a "sweet boy" while Ashton Kutcher calls him a "childhood hero." Loni Love, comedian and regular panelist on E!’s Chelsea Lately, adopts a more somber tone and calls Hollywood "a land of nightmares."

The popular ’80s actor was found dead in his Los Angeles apartment earlier today and is believed to have died of an accidental overdose of prescription drugs. For more celebrity reactions about Haim’s death on Twitter, go to PopEater.com. –KRIS ALCANTARA