Michael Strahan wears a lot of hats, and not just the kind that keeps his head warm when the temperature dips below zero during Fox NFL Sunday . Rather, the multifaceted Pro Football Hall of Famer simply has a lot going on at any given time, day (co-hosting Good Morning America ), night (hosting Pyramid ) or weekend (see above). And while he has a 2008 Super Bowl win under his belt, he just added an even more prestigious title to his resume.

"Yes, I'm a grandfather, everybody," the 52-year-old shared on air before kickoff Sept. 22 after co-host Howie Long offered his congratulations. "My daughter Tanita and my grandson Onyx , is his name.

That means black.” Isabella Strahan , one of his twin daughters with ex-wife Jean Muggli , has certainly been thankful for her dad's solid presence: The 19-year-old shared in a Jan. 11 interview with GMA 's Robin Roberts that she was being treated for medulloblastoma , which according to the Journal of Clinical Neuroscience accounts for 20 percent of childhood brain tumors.

The USC freshman underwent emergency surgery in Los Angeles in October—which put her procedure and post-op recovery right around the time Michael took several weeks off from GMA and NFL Sunday last season. "It's important to let people see that there is hope and you just have to go into every day with the best attitude, which is what she does," Michael told Robin of his daughter's motivation for sharing what she's going through with the world after initially keeping h.