Archangel Michael is a, if not the, primary archangel in Abrahamic religions (Judaism, Christianity, Islam), revered as a warrior leader, protector of believers, and defender against evil. His name means "Who is like God," and he is depicted as a champion of justice, often holding a sword or scales. 
Key details about Archangel Michael include:
Role and Function: He is the leader of the heavenly army in the war against Satan. He is considered the guardian of the Church and the protector of Israel. He is also believed to act as an advocate for souls at the time of death.
Biblical Mentions: He appears in the Book of Daniel as a "prince" and protector, in the Book of Jude, and in Revelation as the victor over the dragon (Satan).
Religious Significance: In Catholicism, he is St. Michael the Archangel. In Islam, he is known as Mīkāʾīl, an angel of mercy and nourishment. Some interpretations (e.g., Jehovah's Witnesses) identify Michael as the pre- and post-human name for Jesus Christ.
Iconography: He is traditionally depicted in armor, wielding a sword or spear to fight evil, or holding scales to weigh souls. 
Key Aspects:
Chief Archangel: As an "archangel," he holds the highest rank among angels.
Guardian: He is considered a strong, protective figure, often invoked for protection against evil and in times of spiritual battle. 
Dimensions: 5x3x9cm