Mr. Muscle

Sturgis Butterfield

Also known as

Sturgis Butterfield was a member of Hero Hotline who was constantly changing his superhero code name.

Appearances

Action Comics Weekly #637 — 1989-01-31
Action Comics Weekly #638 — 1989-02-07
Action Comics Weekly #639 — 1989-02-21
Action Comics Weekly #640 — 1989-02-28
Superman #29 — 1989-03-00
Adventures of Superman #452 — 1989-03-00
Action Comics Weekly #641 — 1989-03-07
Action Comics Weekly #642 — 1989-03-14