Undertale Pokemon Showdown team!

Sans (Marowak) (M) @ Thick Club
Ability: Rock Head
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Fire Punch
- Double-Edge
- Swords Dance
- Bonemerang

Muffet (Galvantula) (F) @ Focus Sash
Ability: Compound Eyes
Shiny: Yes
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk / 30 Def
- Bug Buzz
- Hidden Power [Ice]
- Volt Switch
- Sticky Web

Undyne (Vaporeon) (F) @ Choice Specs
Ability: Water Absorb
EVs: 104 Def / 252 SpA / 152 SpD
Modest Nature
IVs: 0 Atk / 30 SpA
- Ice Beam
- Scald
- Hidden Power [Grass]
- Shadow Ball

Asgore (Gogoat) (M) @ Leftovers
Ability: Sap Sipper
Shiny: Yes
EVs: 64 HP / 252 Atk / 192 Spe
Jolly Nature
- Earthquake
- Bulk Up
- Horn Leech
- Rock Slide

Mettaton (Rotom-Heat) @ Life Orb
Ability: Levitate
Shiny: Yes
EVs: 128 Def / 252 SpA / 128 SpD
Modest Nature
IVs: 0 Atk
- Volt Switch
- Hex
- Overheat
- Toxic

Flowey (Sunflora) (M) @ Assault Vest
Ability: Solar Power
EVs: 252 HP / 252 SpA / 4 Spe
Modest Nature
IVs: 0 Atk / 30 SpA / 30 Spe
- Hidden Power [Fire]
- Sludge Bomb
- Giga Drain
- Earth Power