A loan shark and member of Sosa's crew whose wife, Alice, is cheating on him with Mike. Two versions appear: Present Nick, who initially orchestrates a job and later escapes, and Future Nick, who travels back in time after accidentally killing an inventor. Future Nick manipulates events to protect Mike, orchestrates a fake assassination, and helps eliminate Sosa's organization. He is fatally shot during the shootout, triggering a time paradox that erases his future self.
Alice is married to both temporal versions of Nick.
The plot identifies Alice as Nick's wife. Their marriage is described as unhappy during the argument about Gilmore Girls.
Nick's two temporal versions become reluctant partners with Mike.
Nick asks Mike to help with a job, and Future Nick later works with Mike to recapture Present Nick and protect him from the Barron.
Future Nick directly opposes the assassin to preserve Mike's life.
Future Nick lures the Barron to the secret apartment and later shoots the real Barron dead.
Nick operates within Sosa's organization while secretly manipulating its actions.
Nick is described as a member of Sosa's crew, and Future Nick lies to Sosa about capturing Mike.
Their creditor-debtor relationship triggers the time-travel accident.
Symon borrowed money from Nick to build a time machine, and Future Nick later tried to collect the debt.
Future Nick uses Chet's professional skills to stage a deception.
Future Nick recruits Chet, a special effects artist, to impersonate the Barron.
Sam covertly supplies the weapons needed for the final assault.
The corrupt police officer Sam is sent to plant weapons throughout the final party venue for the protagonists.
Jimmy's final act fatally wounds Present Nick.
During the final massacre, a dying Jimmy shoots Present Nick in the neck.
Explore the full interactive character relationship map of Mike & Nick & Nick & Alice