Speedy Drum (Snorlax) @ Figy Berry  
Ability: Gluttony  
Level: 50  
EVs: 4 HP / 148 Atk / 100 Def / 4 SpD / 252 Spe  
Adamant Nature  
- Return  
- Fire Punch  
- Belly Drum  
- Recycle  
Speed allows you to set up belly drum before knock off from mega mawile, outspeeds celesteela by 1 point, attack for ko hippo at +6 with return except 1 number

Phaser Lax (Snorlax) @ Aguav Berry  
Ability: Gluttony  
Level: 50  
EVs: 212 HP / 236 Def / 60 SpD  
Impish Nature  
- Yawn  
- Recycle / Toxic / Counter 
- Earthquake  
- Whirlwind / Return 
Standard phasing lax, hp and defence for living HJK from mega lopunny, spdef for living 3 psychics from specs lele, leftovers can be used over 50%, in which case replace recyle

Normalium-z suicide Lead (Snorlax) @ Normalium Z  
Ability: Thick Fat  
Level: 50  
EVs: 252 Atk / 180 Def / 76 SpD  
Adamant Nature  
- Yawn  
- Earthquake  
- Fire Punch / Ice Punch 
- Self-Destruct / Double Edge
Lives Z-focus blast from lele other than 1 roll, max attack for power, rest in def, counter/toxic can be seen

Standard Curse (Snorlax) @ Figy Berry  
Ability: Gluttony  
Level: 50  
EVs: 148 HP / 12 Atk / 252 Def / 92 SpD / 4 Spe  
Adamant Nature  
- Curse  
- Recycle  
- Earthquake / Fire Punch
- Return / Double Edge
Takes 3 specs lele psychics, max defence for longevity, 12 adamant allows to 2hko celesteela with return at +6

Snorlax sets here are by no means all encompassing, not mentioned are counter leads, z-stockpile, assault vest, but the three spreads or variations (asides from bdrum) will be the main ones you see. You can run immunity over gluttony on recycle sets to bait toxics, generally with double edge to manipulate recycles