Name- Killian (Killie)
Species- Human
Abilities- Knowledgeable and curious; learning all he can about mutants. 
Relationships- Number 4 of 6 of the Yachtman kids.
Other- Easily distracted by brother Marv. Wins a lot of money from the Haven betting pool, but Ash won't let him spend it on Lego. Killian still hasn't found it.