One of the weirdest to my mind is Marvel comics Scrounge from The Smelting Pool storyline: His freaky extendable spy fingers (= mic) ... Er, "dislocated hubcap?" alt mode .... ... and unfortunate Quint "Indianapolis monologue" fate. (Yes, I know it was a smelting pool, not a shark, but hey. He still wound up a torso.) R.I.P. old buddy - and you were right. You were just too sneaky.
Well here are some transforming toys that are not Transformers. A pair of weapons from a Power Rangers parody series called Akibarangers: