Another thing I love about Spender is the revelation that his sunglasses aren't actually sunglasses, but normal glasses (with unfit prescription) he put shadows over. (And also sad because those glasses are from Ed's dad).
Spender having constant low-level shadow magic on his face 24/7 is pretty consistent with the fact all the sparkles and light effects we see around him are canonically also magic. He's got cosmetic magic going all the time and maybe that's why he's so tired















