No, Kadabra does not learn Hypnosis in Pokemon Ruby, Sapphire, Emerald, FireRed, LeafGreen or Diamond and Pearl at any level.
Aerodactyl has higher attack then Crobat, while Cobat is superior in defense. Crobat also learns hypnosis, and is the fastest of any Pokemon to learn it. That being said, it depends on your team.
Fly and Defog, and that's it. No Cut or anything. Even when it evolves into Golbat and then Crobat it can only learn those two HMs. But it can learn false swipe and hypnosis which is good for catching Pokemon!
Slowpoke doesn't learn hypnosis
Wobbuffet cannot learn Hypnosis.
In Pokémon Platinum, Zubat learns Hypnosis at level 49. As a Poison/Flying-type Pokémon, Zubat evolves into Golbat at level 22, and later into Crobat when leveled up with high friendship. Hypnosis is a useful move for putting opponents to sleep, allowing for strategic advantages in battles.
Snorlax does not learn hypnosis.
Espeon cannot learn Hypnosis by any method.
no it does not.
Crobat learns air slash at level 51
Crobat learns wing attack and leech life . That is all I know .
Without hacking, Kadabra cannot learn Hypnosis.
It can learn via tm 12