How to Make It
Preheat grill to medium-high (400°F to 450°F). Make a long cut through the skin on the concave side of each banana, and pull peel apart slightly. Place bananas, cut-side up, in a grill basket. Grill, uncovered, until banana is warmed through and peel is mostly black, about 10 minutes. Remove bananas; set aside. Add vanilla wafers to basket, and grill until cookies get slightly charred, about 1 minute.
Divide ice cream evenly among 4 bowls. Peel bananas, and cut each diagonally into 5 pieces. Top ice cream with bananas, whipped topping, caramel sauce, and chocolate sauce. Coarsely break up vanilla wafers, and sprinkle over bowls. Top with cherries.