GutsMan.EXE (ガッツマン Gattsuman) is a NetNavi from the Mega Man Battle Network series operated by Dex Oyama. While not very bright, he is a super strong Navi that relies on brute force. GutsMan is a loyal friend and fights side by side with his allies. He has a habit to include "yeehaw" or “guts” in his sentences, only “guts” (ガッツ) in Japan.