Kazuchika Okada (岡田 和睦 Okada Kazuchika, ring name: オカダ・カズチカ) is a Japanese professional wrestler currently signed to New Japan Pro-Wrestling (NJPW), where he is in his fourth reign as the IWGP Heavyweight Champion. At 567+ days, Okada's ongoing reign is the longest in the history of the IWGP Heavyweight Championship.