It doesn't always have to be a gloomy day. It just takes a little perspective. Color only shows with light, after all. I love that the only color is the blue of the slightly transparent umbrella, it really draws your attention.
Stopwatch is and was originally from France. He's a mechanical engineer, and loves to construct clocks and other time-keeping machinery. He loves to sneak off into nearby clocks owners to watch sunrises and sunset. (kinda reminds me of the mad hatter)
It looks like one of the twins off of Ouran high school host club<< Well, since we can't see the part in this guy's hair, it rules out figuring out which twin he would be. He is wearing headphones though, and Hikaru wears headphones more than Kaoru.