Article continues below advertisementJohn Stamos' response to Catherine O'Hara's death is raising eyebrows online.The actor, 62, published a questionable comment on Macaulay Culkin's post mourning the late movie star on Friday, January 30.News broke of O'Hara's death on Friday afternoon, and Culkin didn't take long before sharing a sweet tribute to his longtime friend.Article continues below advertisementSource: @culkamania/InstagramMacaulay Culkin posted a touching tribute to Catherine O'Hara."Mama. I thought we had time. I wanted more. I wanted to sit in a chair next to you. I heard you.