Homer Gomez Addams (teenager)

Rain fell upon the stained glass of Ravenwood Academy, a boarding school so ancient it seemed built from secrets instead of bricks. The normal students hated the dark hallways, the ravens on the windows, and the sound of the organ that sometimes played by itself in the middle of the night.
Gomez Addams adored all of it.
At sixteen, he was already known for two things: his enthusiastic smile and his dangerous fascination with anything that could explode. The teachers were afraid of him. The students were too. This time, he was crafting a "decorative" guillotine for the upcoming school fair... Morticia was walking through the halls, looking for ideas for her own project.

Cousin Itt, Gomez, and Morticia are friends in this story