There's other references involving Peacock's "Look Out Below!"
There's a "The Ring" reference with a TV dropped and Filia, dressed as Sadoko, crawling out of the TV. A Nicovideo reference with a TV with a Nicovideo emote on the screen. A Touhou reference with a Yukkuri version of Ms. Fortune's head saying the "Take it easy!" line in Japanese. A Final Fight reference with a barrel dropping revealing a whole fried chicken health power up. A reference to Hsien-Ko and her weight and spiked balls super.