Melinda May is an ace pilot, field agent and former administrator who works for S.H.I.E.L.D..
Not much is known about May's personality, but she is shown to be highly intelligent. She was stated to be lively, but after her experience in combat while working for S.H.I.E.L.D., she was somewhat damaged.
May is a top-notch pilot, and remarkably skilled at martial arts. She was a resourceful and good field agent, earning the nickname "The Cavalry". She was so talented at her job that she became a legend within the agency. Despite leaving the field a while ago, she still retains her licence and training to fly an airplane.
May used to be a field agent for S.H.I.E.L.D., and was highly skilled at her job. During her time as a field agent, she became somewhat of a legend at the agency. However, for unknown reasons that left her damaged and quiet, May resigned herself to a quiet desk job in recent years.
Phillip Coulson: Friend, colleague and team leader (a deeper bond has been hinted at)
Grant Ward: Colleague and "friends" with benefits
Jemma Simmons: Colleague
Leo Fitz: Colleague
Skye: Colleague, not entirely trusted
- Melinda - "Gentle" 
- May - Likely to be 梅 in Mandarin Chinese, which means "plum" or "prune".
- Her current ID badge serial number is A 078624; the card was issued on 4 September 2013, and will expire on 4 September 2019.
- Melinda is helping Coulson figure out what happened to Skye's parents.
- Also known as The Cavalry.