Sloth is a Homunculus in the manga and the 2009 anime. 

Fmafnwiki27s sloth
Vital statistics
Aliases The Fastest Homunculus

Sloth the Indolent

Birthplace Amestris
Date of Birth 1844
Age 150
Family Unknown
Affiliations Father
Alignment Unknown
Species Homonculus
Occupation Excavator of the underground tunnels
Rank Unknown
Abilities Super strength,

Super speed, Super durability

Power Level Unknown
Weapons Chains
Unique Trait Large and muscular, hates doing work, prefers sleeping, extremely lazy, thinks everything is a pain to do
Goal To finish his "bothersome" task so he can sleep
First Appearance Unknown
Voice Actor Patrick Seitz (FUNimation Dub)
Seiyū Fumihiko Tachiki