Before Cannoball looked like the handsome all-American blond-haired blue-eyed hunk we all know & love, he was actually kinda... homely looking, as evidenced by these scans from New Mutants Vol. 1 #21, in which Sam goes skinny-dipping, flies around naked, hangs out in a towel and when he finally gets the chance to dress, he just puts on his pants but still bares his chest. Nice.
We also get a little Sunspot beefcake when he's in a speedo for one panel. I love how even when Roberto had the time to get fully dressed, Sam only grabbed a towel. Thanks to Citizen Alan for letting us know about this issue.