Xylaria polymorpha, a fungus known as "dead man’s fingers"

Guys, come on. Nico di Angelo of course.

Are you sure it's not Nico Yazawa?

Nico Nico Niii!?

CAN SOMEONE CLEAR UP WHICH NICO IT IS PLEASE

Considering it was said by Leo Valdez it's safe to assume he was referring to Nico di Angelo and y'all need to quit