Metallikats

The crime-bosses Mac and Molly Mange, the criminal couples were worst criminal of Megakat City and later later escaped from Alkatraz. Now, rebuilt by Professor Hackle and becoming '''The Metallikats. '''

Biography
Originally a husband and wife team named Mac and Molly Mange, the Metallikats drowned when they were trying to escape from Alkatraz prison but their bodies were discovered by Professor Hackle's robotic servants and their minds were transfered into robotic bodies. The pair proceeded to become even more dangerous criminals, killing Katscratch before turning their attention to Mayor Manx - who they had a grudge against for denying their parole (though in reality it was Callie who denied the parole).

Katastrophe
They have also allied with Dark Kat and Dr. Viper despite being order around by Dark Kat and sharing a hatred towards the SWAT Kats.

A Bright and Shiny Future
The Pastmaster brings Mac and Molly back to life, both form a alliance to rid themselves of the SWAT Kats and so they takeover the city together. The duo betrayed The Past Master and use his watch as a pocket watch. In the future, they took over the city and enslaving the any organic that's not a robot. Soon, they are defeated by the SWAT Kats, the Enforcers and Professor Hackle. Returning everything back to normal and remaining the evidence closet in their damaged state.

Unlikely Alloy
Mac and Molly attempted to rob the Megakat City's bank, they were defeated by The Enforcer and The SWAT Kats. Molly was badly damaged in the fight and tells Mac to get the loot, Mac love her enoughto saved her and retreated to their hovercraft. Mac robs Dr. Lieter Greenbox's creation to fixed him and saved his wife, the device rebuilt itself with their car as their minion aka "Zed". Zed absorbed Mac for being metal and Molly forced the SWAT Kats to help saved her husband, Molly get absorbed and Zed corrupted Dr. Lieter Greenbox to become one being. After Zed defeat, Molly is back to normal and looking for her husband in the rumble of Zed. She finds Mac's head is merged to a food-processor and set him mix which shaking him. Mac gets dizzy and begs his wife to shut the blender, both remaining alive and back arguing with each other again.

Trivia

 * Both of them are based on Super-Man's villain, Metallo, criminal couple Bonnie & Clyde and the Terminator.
 * Their last name Mange, it's skin disease which itchness and hair loss. Also, a word-play for "Mangey Cat" as  what they are.
 * Unlike Bonnie and Cylde, Mac and Molly remain alive as cyborgs despite losing their original bodies.