Excessive heatThe alter ego later reappeared when, on a hot summer day, Calvin melted into a puddle on the sidewalk outside his house. The puddle evaporated into a small cloud, which then rained down a reconstituted, solid (but completely naked) Calvin. According to Calvin's mother, this liquid form had appeared at least twice.
Unlike in its first appearance, the liquid form was here a melted version of a solid Calvin. Even so, it appeared as a clear, runny water puddle instead of a body-colored viscous fluid.
ReliefCalvin's liquid form made yet another, far briefer appearance after Calvin scratched his painful bug bites. This caused him great (if temporary relief) which was depicted, among other things, as a version of Calvin so relaxed it actually melted.
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