Dave Coulier debuts shaved head with a little help from his friend John Stamos As Dave Coulier continues to go through cancer treatment, he is getting some support from his friend John Stamos. Coulier debuted his newly shaved head in a photo posted to his "Fuller House" co-star’s Instagram page on Monday, five days after he publicly shared that he was recently diagnosed with stage 3 non-Hodgkin lymphoma, a blood cancer. ...