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“The day you take me on, Hero, is the day you burn.”—Meltdown
Meltdown has got the same claws as 8919 Mantax, 20012 Click, and Von Nebula's facial pincers, but with more armour. He has a tentacle/acid as one of his weapons. His legs are made from Ben 10 thighs, Toa Metru legs, Ackar and Mata Nui's foot armour and Shadow Matoran feet. The symbols on his tanks are a radioactive symbol. Some pictures also show the tubes in solid lime green, others in transparent lime green. They are actually transparent lime green.
A very intelligent, hulking, psychopathic cyclops who delights in firing his toxic waste blasts and watching his enemies wither, Meltdown is Von Nebula’s most destructive servant, whose weapons include a radioactive sludge shooter and a toxic whip. He is totally mentally deranged. His quote is "The day you take me on, hero, is the day you burn.". Meltdown was originally a science buff at a radiation research facility. However he became obsessed with his work, and prolonged exposure to the chemicals made him malfunction and go insane. He fashioned himself a pair of toxic weapons, and has since been on the rampage. But, during his attack on Makuhero City, he was captured and arrested.
- On Meltdown's box it shows his toxic waste canisters facing up but in the set they point sideways.
- Meltdown is the only 2010 villain not to have a Glatorian head.