How could there not be an Appreciation Thread for this diminutive crime-buster who worked with the original Robin?

From Batman #156 (June 1963):





(Okay, so maybe he didn't turn out to be so heroic after all . . . )

And for the record, Marvel's Henry Pym version was first seen in Tales to Astonish #27 (January 1962) and his first appearance as the costumed "Ant-Man" was in Tales to Astonish #35 (September 1962).