|This article is about a/an ally in Chouseishin Gransazer.|
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Masaki Wakui (和久井 正樹 Wakui Masaki) is an ally in Chouseishin Gransazer.
Ai Uozumi's long lost father, who throughout Ai's childhood, he's only known by the name Dr. Bear (ドクター・ベア Dokutā Bea). He led the team which repaired the Guntroller.