lineart the hulk/bruce banner as a fellow BU professor for a fun crossover science nerd friendship because it ain't easy being green, penguin, the riddler, killer frost, ra's al ghul, lex luthor, katana, captain boomerang, el diablo, black mask, hush, mad hatter, hugo strange, bane, two-face (i would kill for idris elba or dominic west), mr. freeze, cheetah/minerva