Is there a band member with smokey Robinson name primus?

There is no band member named Primus in Smokey Robinson's groups.

* Smokey Robinson was the lead singer, songwriter, and producer of The Miracles, a Motown group that achieved immense success in the 1960s.

* Primus is a rock band, but it has nothing to do with Smokey Robinson.

It's possible you might be confusing Primus with someone else, or perhaps you're thinking of a different band altogether.