Mario Olmedo was arrested on assault and weapons possession charges after police said he slashed a 23-year-old man in the head and a 21-year-old woman in the neck.
Olmedo's home telephone number isn't in service, and police weren't certain whether he has a lawyer.
A woman and two man were stabbed in the later incident.
A call and e-mails to the nightclub weren't immediately returned Saturday.
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