User blog comment:Toon Ganondorf/Heat Finalists that were capable of winning other heats/@comment-9751413-20160804235719

Tsunami? Swap it into Heat J and it would easily qualify. Really, the Grand Finalists were the only robots capable of beating it.

Raging Reality in Series 6 were hard done by against Razer, and would have easily prospered in a heat like Heat E.

Anarchy as well in Series 6 faced one of the few robots that could beat it. Heats with powerful spinners like 13 Black, S3 and Supernova are no-go, along with flippers like Dantomkia and Firestorm. However, Heat I with Terrorhurtz and Panic Attack I can see Anarchy getting through that, as well as Dominator 2's Heat J.

Fluffy in Series 5. I feel they'd be able to get a killer blow in before they died in the Heat Final in heats: A, F, G, H and J