Ephraim

Ephraim is a playable character and a protagonist in Fire Emblem: The Sacred Stones. He is the crown prince of Renais and Eirika's twin brother. He is a headstrong and determined man whose skill with a Lance is unsurpassed by any other in his country, having been taught by Duessel. He has a semi-friendly rivalry with Prince Innes of Frelia and is also good friends with Prince Lyon of Grado. He wears the Solar Brace which is one of a pair of bracelets that together grant access to Renais' Sacred Stone.

(Source: Fire Emblem Wiki)