Just because I'm not doing much besides laundry today, may I present to you...
The Fashion History of Blok...
LSH #253. Joe Staton (spelt incorrectly above) designed the original Blok. Pure grey. By the end of the issue he added the distictive collar.
LSH #272. Dick Janes puts circle in the collar (never seen again). The interiors of the book have Steve Ditko softening the brow.
LSH #284 - Pat Broderick softens the brow even more
LSH Annual #1 - Keith Giffen basically give Blok a Thing brow
LSH #295 - Giffen soften the brow and gives Blok some color to his shorts for the first time
Best of DC #24 - the "what was Perez thinking" outfit
LSH #298 - Giffen softens the brow and Blok is now made of a softer rock body
LSH #1 - Giffen ditches the pajamas, loses a nose and Blok becomes cratered
LSH #13 - Steve Lightle gives Blok the shoulder pads, bracelets and his distincitive shorts.
Action #863 - Gary Frank has a a variation of Lightle's shorts (not shown).