You rang for a handsome horse?

–Guido, in The Last Olympian

Guido is a Pegasus and a friend of Blackjack and Porkpie.

Percy Jackson and the Olympians

The Titan's Curse

He appears with Blackjack and Porkpie to take Percy Jackson, Annabeth, and Thalia Grace to Olympus.

The Last Olympian

Blackjack GN

Blackjack, his friend

Guido helps Percy in the Battle of Manhattan. Guido is one of the three pegasi that help Percy, Annabeth, and Rachel. Guido usually appears with Blackjack and his other friend, Porkpie, to give a ride to Percy and his friends.

The Heroes of Olympus

The Blood of Olympus

Guido 'adopted' Reyna Avila Ramírez-Arellano after Pegasus called her "horse friend".


Reyna, Guido's new owner.