“My mom, I would say, was slightly thrown by it and didn’t quite understand it. I don’t know if she thought it was kind of like a hippie thing,” the Saturday Night Live star told Seth Meyers last month.
“She would call us after three or four days, she’d be like, ‘Cosmo,'” he went on. “And she’d be like, ‘And now, is it final? Like, did you submit the birth certificate?’ And we’re like, ‘Oh, yeah, we did that at the hospital.’ She was like ‘OK, interesting. Because I was reading that there’s also a name Cosimo with an ‘I,’ so that could also be an option. Maybe Cosimo, that’s his real name, but then you can call him still Cosmo.'”