Memetic Badass: Ikaruga is the pinnacle of YAMATO DAMASHII. He's "so Japanese that he's more Japanese than all of Japan and its lands and Shinto deities combined; people look at him and see the General of Generals, while BETA burst into flames just by being near him."
age's Engrish in Alternative and other related works, along with the quote "English can eat shit. I repeat, English can eat shit."
One-Scene Wonder: For all his popularity, Ikaruga only appears during one very short scene that isn't even really about him.
Spiritual Licensee: Pacific Rim is the closest thing we could ever get to a screen adaptation of Alternative. The amount of similarities that they share is staggering, from the pilot outfit design to a plot point.
The Scrappy: Naoya Sagiri is not a popular character in the fandom, to say the least. The reasons for this largely revolve around his behavior during the coup arc and his behavior back in the world of Extra where he come across as extremely selfish.