The last panel is also a play on "pig" for poor Letty.
Green
Tanuki
UdonBlack
Tonkatsu
UdonThe color "black" tends to be associated with Letty since she called herself the mastermind (黒幕) in TH7. Tonkatsu is a pork cutlet.MarukyuuPronunciation for ⑨, and in other words, Cirno. Also a parody of Maruchan, the manufacturer of these ramen.Red
Kitsune
Udon