Simon Ian Rhodes II is the older brother of Stanford, and 188th in line for the British throne. Outwardly, he seems quite self-absorbed, even worse than Stanford was at the beginning of the series, and doesn't seem to have much of a? personality beyond his overblown ego. But despite Simon's unlikeable nature, his younger brother still cares for him dearly.
Appearance
His only physical appearance was in StormShocker, but he's later mentioned in Spawn Hunters, Full Throttle and Sol Survivor.
Relationship
Stanford
He and his brother have an extremely? competitive relationship.
Grace
He seems to have taken a love interest with Grace in StormShocker.