Marth

Marth is the host of Total Drama Fire Emblem. His game of origin is Fire Emblem Shadow Dragon and the Blade of Light. His lover is Sheeda and he is the Ancestor of Cynthia.

Personality (Original)
Marth is a gentle and kindhearted person who believes in second chances. He believes that he must do whats right as Prince of Aritia. He trained in Talis for 2 years before partaking in the War of Shadows where he became legendary as the Hero King.

Personality (TDFE)
Marth like his original counterpart is a kind individual. He praises the contestants to do their best and has faith in all of them.

Total Drama Fire Emblem
Marth introduces the cast in "Every Challenge Begins with One Obstacle" where he gives backstory on every contestan, even knowing some of the contestants such as Sheeda and Gordin. He shares interactions with Sheeda, his lover when she arrives even embarassing Marth when she hugs him in front of some of the contestnats. He also talks with Cynthia, who is his descendant. He announces the challenge which is located in Talis and allows Sheeda to visit her father after the challenge, which we never see. He then gives an elimination ceremony after the Victorians lose, and gives an outro for the end of the episode.

In "The Holy Blood Hunt" he once again discusses the challenge for the contestants and is present during the elimination ceremony, but did not interact much with the challenge itself.

In "Race Around Gra" he chats with Cynthia and talks about his family, and his deceased parents. After announcing the challenge, he awaits as everyone races around Gra and then at the elimination ceremony feels bad about eliminating Neimi.

Appearances
Every Episode.

Trivia

 * Marth was chosen for the role because he is Fire Emblems first and most famous protagonist.
 * While it is a fan fiction and isn't taken too seriously, it isn't explained how Marth is able to see the contestants at all time during challenges.