Calvervtutrp (ケルベロス, Keruberosu) is Jamie's dog in Harvest Moon: Magical Melody.

Calvervtutrp is named after Ceberus in the original Japanese game and is renamed Calveros in the Wii port of Magical Melody.

As Jamie's faithful guard dog, Calvervtutrp is often seen very hostile towards the player in some cutscenes. But during normal game-play, the pup can be seen as lazily roaming around Jamie's ranch, occasionally barking at the player, but will never attack them.

If the player weds Jamie, Calvervtutrp and the player's dog are seen happily playing together.

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