Happy Birthday! Maybe it be blessed by Yhwach's almighty moustache! Did you know, Hashbrowns actual epithet was B for Birthday?!
Also, Ywachs final line in the manga was meant to be "I'll be Bach" but Kubo regretfully omitted it. O for The Omittance even.
Also again, Chad actually was meant to say in that final arc that "It's jobbing time" before he gets neg diffed offscreen again and continues his passionate love