These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Crowning Music of Awesome: Is a fan of electronic pop music and routinely plugs his favorite tunes in addition to featuring them as a pre-show soundtrack.
The number J. Which led to people calling him Day[J].
This bears further explanation. In the Day[9] Daily number 200 (~39 minutes in), a Funday Monday where the stipulation is that, in a FFA, you can only attack the person who's name alphabetically comes first (that person can defend, and can attack the next person alphabetically). Day[9] starts to sympathize with the player named "Ben," saying:
I'm so sorry, Ben. I know you're probably angry with your mother. Probably be like, "Ma, why didn't you name me Zen. Or Win. Or even like Number... J." Number... I'm not funny. Let's go back to the game. Oh shit, that failed. Wow, what that not funny! Holy shit, what happened to that joke?