Gimcrack(noun)
1. A showy but useless or worthless object; a gewgaw.
eg:Yet the set is more than a collection of pretty gimcracks.

Lugubrious ( adjective)
1. Mournful; indicating sorrow, often in a way that seems feigned, exaggerated, or ridiculous.
2. Gloomy; dismal.
eg:Oh yes, he says, and his lugubrious expression suggests that the loss afflicts him still.