Claim: Hayden Panetierre is a television actor.

Claire Bennet is a fictional character in the NBC psychological thriller science fiction drama series Heroes . She is portrayed by Hayden Panettiere and first appeared on television in the pilot episode of the series , `` Genesis '' on September 25 , 2006 . She is a high school cheerleader with the power of rapid cellular regeneration . Claire appears in more episodes than any other character -LRB- 72 , plus a 73rd through stock footage -RRB- . Killed in an explosion in Odessa where she gave birth to Malina and Nathan which he was named after his grandfather and had a husband named  ' Hammer ' who left her .