DC Comics
Three versions appeared during the Golden Age of Comic Books: the first in Adventure Comics #56 (Nov. 1940), a second, land-based version existing on the planet Venus in Flash Comics #81 (March 1947) and a third variation capable of speech that claimed to be the actual Kraken from ancient folklore who battled the hero Captain Marvel in Whiz Comics #155 (June 1953).
Two versions appeared during the Silver Age of Comic Books: a giant octopus encountered by the Challengers of the Unknown in Showcase #12 (Jan.-Feb 1958), and the second being a giant squid summoned by the hero Aquaman in Aquaman #34 (July-Aug. 1967). Wonder Woman #247 (Sept. 1978) and #289 (March 1982) featured additional versions, and in Wonder Woman vol. 2 #75 (June 1993) the character encountered a version complete with tiara in a dream dimension. In Aquaman #1,000,000 (Nov. 1998), the eponymous hero of the title encounters one of the "Krakens of Vexjor", a race of huge tentacled reptilian sea monsters that inhabit Earth's oceans in the 853rd Century. Woman Woman and Aquaman also encounter a young Kraken in Issue #1 (Aug. 2011, DC Comics) of the limited series Flashpoint: Wonder Woman and the Furies.
Read more about this topic: Kraken (character)