Extraterrestrial beings 9 Families 9 Imaginary wars and battles 9 Interracial marriage 9 Parents of exceptional children 9 Ethnicity 8 Military deserters 8 more ... Parents of racially mixed children 8 Superheroes 5 African American superheroes 4 Epidemics 4 Runaway teenagers 4 Y chromosome 4 Eugenics 3 Good and evil 3 Heroes 3 Plague 3 Runaways (Fictitious characters) 3 Teenage superheroes 3 Teenagers 3 Identity (Philosophical concept) 2 Iraq War, 2003-2011 2 Lion 2 Papergirls 2 Parent and teenager 2 Time travel 2 Vigilantes 2 X-Men (Fictitious characters) 2 Action & Adventure 1 Antiheroes 1 less ...