Here's a character I created a long time ago, back in my juvinescent age of 11, but revamped with more appeal.
Basically, the original character was a rip-off of Hydro-Man from Spider-man, which I aptly named... Aquarius.
Now, instead of being able to shift between solid and liquid form, he is stuck as a sentient body of water. So he acquires a robotic suit to house his fluid body.
His suit can fire out his liquidey innards as a weapon, but some of his body must stay within the robot, or he loses control over it.
Mmm, I don't know what I am gonna name him... so for the meantime his name shall be Hydrotron
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