More than a month after being struck by a car in a hit and run, Lobo co-creator Roger Slifer remains comatose and unable to breathe on his own. Police in Santa Monica, California, have not located a suspect.

The Hero Initiative reports Slifer was moved Friday from Ronald Reagan UCLA Medical Center to Barlow Respiratory Hospital, which specializes in respiratory problems. The hope is that he will be able to breathe on his own in three to six weeks, and be ready for rehabilitation in three to six months. According to his cousin sister-in-law Emma Slifer, he couldn't be transferred earlier to Barlow -- it's a long-term acute care hospital -- because, "for the past couple weeks Roger's brain was relentlessly plagued by seizures for which he required high doses of sedatives and anti-seizure meds."

The 57-year-old Slifer was crossing the street in the early hours of June 23 when he was hit by an older white sedan, breaking his collar bone, shoulder and a number of ribs. He was placed in a medically induced coma, and a portion of his skull was removed to relieve pressure on his brain.

A member of the CPL Gang alongside such future creators as Roger Stern, Bob Layton, John Byrne, Tony Isabella and Steven Grant, Slifer began working for Marvel in the mid-1970s as a writer and assistant editor before moving to DC Comics in 1981 as its first sales manager for the direct market. He also wrote Omega Men, for which he created the alien mercenary Lobo with Keith Giffen. He later moved into animation, working for Sunbow Entertainment as a producer, story editor and writer on such series as Jem and the Holograms, Transformers and G.I. Joe Extreme. According to his friend Barry Dennis, Slifer was working on a new project before the hit and run.

The Hero Initiative, which is accepting donations to help with Slifer's medical expenses, spotlights a Lobo pinup by Tone Rodriguez (at right) being auctioned on eBay to benefit the writer.