Moves/Abilities that Pokemon should have but don't

[Hooded Shadow]

Title says it all.

Groudon + Heat Crash
Charizard + Hurricane
Ludicolo + Soak

[SirBlaziken]

Finally, a topic I can rant on.

Xerneus - Earth Power
Yanmega - Fly
Lucario - Iron Head
Togekiss - Moonblast
Meloetta - Metronome

[Mockery for One]

All Pokemon with wings should have Fly in their movepool. And so should the Drifloon line.

And, Eevee should have Endeavor in his movepool, so Trixie's attempted Fear trick should work.

Milotic needs a bigger movepool.

[Captain Jigglypuff]

Machamp- Arm Thrust
Inkay/Malamar- Octokazooka
Unown- Secret Power, Nature Power, Ancient Power, Natural Gift, Psybeam, Power Swap, Guard Swap, Psycho Shift

[E.C.A.M.B.S.]

Ferrothorn should learn Spiky Shield. This one is more personal since I was hoping to have a Ferrothorn with Rocky Helmet, Iron Barbs and Spiky Shield

[Hooded Shadow]

More Pokemon with Unaware.

[E.C.A.M.B.S.]

Bring back Endure Sharpedo from Gen III. Aqua Jet, Endure, and Rough Skin would work nicely.

[AgentOfChoasHD]

clauncher can't learn rock smash
alot of the regional birds can't learn peck naturally
doduo and dodrio can learn fly

[Mockery for One]

Unown- Secret Power, Nature Power, Ancient Power, Natural Gift, Psybeam, Power Swap, Guard Swap, Psycho Shift

That would make Unown useful.