Minecraft wiki entry for Explosive, associated text: TNT, a consumable that deals heavy damage to enemies (and allies).
Exploding Crossbow, fires explosive arrows.
Fireworks Arrow, combines the range of arrows with the explosion of TNT.
Creeper, a hostile mob that runs towards the player to explode.
Icy Creeper, a frosty Creeper variant found in the Creeping Winter DLC