Tadakatsu's symbol was a Kazuno wakidate kabuto (a helmet with an ornament in the shape of deer horns) (It still exists as an Important Cultural Property), and Hideyoshi TOYOTOMI praised him as the best warrior in Togoku (the eastern part of Japan, particularly Kanto region) for his performance at the Battle of Komaki and Nagakute in 1584.
鹿角脇立兜（現存しており重要文化財）がシンボルで、天正12年（1584年）の小牧・長久手の戦いでの活躍などにより、豊臣秀吉からも東国一の勇士と賞賛された。