LK Asked: is this a good pokemon pearl team?

These are the pokemon and their moves:

Infernape:

Flare blitz
Earthquake
Bulk up
Close combat

Alakazam:

Recover
Calm mind
Psychic
Focus Blast

Snorlax:

Rest
Yawn[??]
Sleep talk
Body slam[??]

Gastrodon:

Recover
Surf
Earthquake
Ice beam

Vespiquen:

Defend order
Attack order
Heal order
Toxic

Raichu:

Double team / Aggility
Thunderbolt
Body slam[??]
Discharge

These are my questions:

1: I am not sure of Snorlax so i want 3 possible substitute pokemon for him and the reasons why!
2: I am not sure of moves with [??] so what moves can i replace them with.
3: Any other tips on moves are always welcome!