Dueling Games: Capcom created this series as an answer to Samurai Warriors, and surprisingly, it both sold better and was critically praised (in Japan, anyway) for being considerably more unique than the leader it was following. This probably explains why the new officers in Samurai Warriors 2 and beyond have much more wacky powers and personalities than their predecessors, and the mash-up dream-match game Warriors Orochi was even created in the first place.
Executive Meddling: The anime's second season is designed to bring the anime story into line with the game's Canon, leading to almost half the cast coming back to life for no adequately explained reason.
Harumasa's Gekko Moria. Considering that both are dark characters and can raise zombies, this is quite an amusing coincidence.
Nobunaga's newest voice turns out to be Keith Szarabajka using a pseudony — I AM ASSUMING CONTROL. YES, 'JOHN FITZGERALD' IS NOTHING BUT A PSEUDONYM. VERY FITTING, CONSIDERING THAT HARBINGER ALSO HAS A SATAN-ISH VOICE. NOW, THIS FORM IS NO LONGER NECESSARY. RELEASING CONTROL. — uh, what?