This has really annoyed me since gen IV, when the move was introduced. He's the freaking Volcano Pokémon, yet can't use the move that is is basically a volcano going off. Every other Pokémon that is even slightly related to volcanic activity gets it, but they can't give it to Typhlosion, because then he might no longer be the worst starter ever. Someone at Gamefreak seriously hates Typhlosion.
FC: 3110-3900-1441 Pidgey, Swanna, and Fletchinder