Metaletemon

Yamato "Matt" Ishida - Villains - Etemon/MetalEtemon
... in the process becoming the Mega-level cyborg Digimon MetalEtemon (メタルエテモン, MetaruEtemon?) with his entire body coated in the indestructible alloy Chrome Digizoid ... MetalEtemon goes looking for the DigiDestined and finds Mimi, Joe, Palmon, Gomamon, and Ogremon as they were attacked by Puppetmon ... After a brief battle between the two villains over who gets to kill them, MetalEtemon tracks Mimi's group to Digitamamon's now-abandoned restaurant ...

List Of Digimon Adventure Episodes - Episode List
... Joe and a distraught Mimi also leave 46 "Etemon's Comeback Tour" ("MetalEtemon's Revenge") "MetaruEtemon no Gyakushū" (メタルエテモンの逆襲) January 30, 2000. 2000 April 22, 2000 Leomon returns as SaberLeomon, and saves Joe and Mimi from MetalEtemon ... He is later hurt by MetalEtemon when he attempts to save Mimi and is mortally wounded ...

Yamato "Matt" Ishida - Other Digimon - Ally Digimon - Leomon/BlackLeomon/SaberLeomon
... Joe, Gomamon and Ogremon from being found by MetalEtemon and took them to where Digitamamon's diner was ... When MetalEtemon attacked, Leomon Digivolved to SaberLeomon to fight him ... to Zudomon and attacked with his hammer sparks but could not hurt MetalEtemon since his body was coated with Chrome Digizoid ...