Short answers, pulled from the story.
Gary Gygax and Dave Arneson released the original Dungeons & Dragons white box set on the 1st of January 1974. This publication introduced the orc as one of the very first monsters available to players.
Orcish skin ranges from green to gray and is covered with coarse hair. Their height spans approximately five feet eleven inches to six feet two inches while males weigh between 180 and 280 pounds.
Tanarukka were originally tiefling-orc crossbreeds born within Hellgate Keep. These creatures have bred true for centuries and resemble typical orcs but stand shorter and stockier.
The 2024 revision replaced the term race with species and made orcs playable without intelligence penalties. This update replaced references to race with the word species throughout the core rules.
The Eberron campaign setting portrays orcs as spiritual beings who worship nature. These societies established successful communities over sixteen thousand years ago.