Osariemen Martha Elizabeth Ighodaro is a Nigerian actress, television host and philanthropist born in the United States. She won the 2010 Miss Black USA Pageant and founded the Joyful Joy Foundation, a fundraising organization for malaria. Osas emerged as the highest-grossing Nollywood actress of 2018, and was awarded Best Actress in a Drama consecutively at the 2022 and 2023 AMVCA for her roles in Rattlesnake: The Ahanna Story and Man of God, respectively.

Rattlesnake: The Ahanna Story also known as The Armadas is a 2020 Nigerian thriller action film executive produced by Charles Okpaleke and directed by Ramsey Nouah. It is the official remake of the 1995 Nigerian classic action thriller film Rattlesnake which was directed by Amaka Igwe. The film stars Stan Nze, Chiwetalu Agu, Osas Ighodaro, Omotola Jalade Ekeinde and Ayo Makun in the lead roles. It had its theatrical release on 13 November 2020. It received mixed reviews from critics and ranked 24th overall on the list of highest-grossing Nigerian films of all time at the end of its theatrical run. It is regarded as one of the best Nigerian films of 2020.