I got Cu Alter from a few tickets, but I think I got Edison before him so not just one. After that, Merlin in a single ten roll. ...And maybe Drake too? I don't remember for sure. The only SSR I've gotten that I did not get pretty much immediately when trying was Xuanzang, who took three ten rolls back during her event. Or maybe it was four. Either way it left me unprepared for Scathach the next week.
I don't think I've even gotten multiple SRs during a single ten roll, let alone SSRs.