For each serving, peel and slice 1 banana lengthwise in half; place in shallow dish. Top banana with 1 scoop each of chocolate, vanilla, and strawberry ice cream.
Spoon chocolate sauce over chocolate ice cream, drained crushed pineapple over vanilla ice cream, and frozen strawberries (thawed) over strawberry ice cream.
Garnish with a dollop of frozen whipped topping (thawed) and a maraschino cherry. If you wish, sprinkle with chopped nuts or peanuts.