If we're going for really obscure characters...
Ark! The protagonist of Terranigma for the Super Nintendo created by Square Enix!
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Deep in the underworld lies a secluded and humble village of Crysta. Ark, a rebellious teenager breaks down a door that his Grandpa told him never to open. After breaking and entering, he finds a mysterious box containing a creature called Yomi who thanks the young boy and with a little back and forth banter between the two, he joins up with him and teaches him how to use the box. However while this is going on, the residence of his town suddenly crystallise and there is now a way out of the village. He ventures off to find 5 towers to revive the townsfolk. However the Elder informs him that since the mysterious box was opened, the world above has perished. Feeling responsible for his actions, Ark takes a leap of faith into the grounded portal to the hellish aftermath of the overworld. With snarky, wise cracking Yomi by his side as his only company, Ark's adventure begins!
Ark is a spear user who uses many kinds of spears during his journey across the globe but the first one he uses for the trials of the underworld is the CrySpear (Crystal Spear). This Spear heals Ark up by 1hp overtime but only works in the underworld. Ark uses the Spear within his four main attacks as shown below.
Not only that but he can use elemental rings to allow him to use magic attacks. I don't have gifs for these because I never really had any use for them when I was playing the game but they're more options for Ark to use.
Ark is a really cool character but since the game never got re-released outside of the Super Nintendo and he has many, many Square Enix characters to compete with, he is one of those long shot characters that will probably never see the light of day ever again and it's a shame because he's awesome and his character develops as the Story progresses.
Oh well...