Underswap Gasterblaster

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a cartoon drawing of a skeleton with a blue cape and the website talkunderverse.tumblr.com in the corner
a cartoon drawing of a skeleton smiling with the website xtaleunderverse.tumblr.com in the background
a cartoon character with blood coming out of his mouth is standing next to a skeleton .
a pixel art drawing of a skeleton playing a trumpet .
a cartoon of a skeleton with the words what 's going on
a drawing of a cartoon character riding a skull with spacejacket written below it
a black and white drawing of sans from undertale