武田信繁（典厩）是誰？
為守護兄長而戰死的武田副將
武田典厩信繁
武田信繁是武田信玄的弟弟，是支撐武田家的武將（1525～1561年）。因官職名稱，也被稱為「典厩」。他在1561年的第四次川中島之戰中戰死。
在第3話和第4話中，他以八幡原本隊將領的身分登場。霧散之後上杉軍猛攻而來，他為了守護兄長信玄的本陣奮戰，最後喪命。《甲陽軍鑑》對他的死深表惋惜。
他也以據說寫下家臣應有心得的家訓聞名。他與同名的真田信繁（真田幸村）是不同的人物。
登場章節2
新第3話
The Perfect Plan, Betrayed by Dinner SmokeBattle of Kawanakajima (the Woodpecker Gambit)
The enemy won't come down from the mountain, so the strategist Kansuke plans to drive them out with a "woodpecker" trick. But the enemy commander saw through it from one thing: the cooking smoke rising from the castle at suppertime. When the fog lifts, the whole enemy army is standing right in front of him.
19頁
新第4話
Who Was the Rider Who Struck the Warlord?Battle of Kawanakajima (Shingen vs. Kenshin)
Kawanakajima, autumn 1561. The fog lifts, and the entire Uesugi army is right in front of them. As word comes that Shingen has lost his brother and his strategist, he still won't leave his camp stool. Then a rider who never gives his name charges straight into the command camp.
19頁