Not part of Riordanverse The following article/section is from the Storm Runner/Shadow Bruja continuity under Rick Riordan Presents and not the Riordanverse canon.

Flanco is a skeletal ticket taker for the hero twins.

Storm Runner Trilogy

The Storm Runner

When Zane Obispo, Brooks and Hondo Obispo arrive at the twins party, he asks for their invitation. Brooks says she lost them and introduces Zane and Hondo as Rana and El Rey respectively. He lets them in regardless. After Ah-Puch crashes the party and takes the twins, he mans a flying machine to take Jazz, Zane, Brooks, and Hondo to the giant‘s boat.

Apperence

Flanco is a skeleton with a gray beard and a white tuxedo jacket.

Storm Runner Trilogy
Books:	The Storm Runner | The Fire Keeper | The Shadow Crosser
Main Characters:	Zane Obispo | Brooks | Rosie | Hondo Obispo | Ren Santiago | Jordan | Bird
Secondary Characters:	Mrs. Obispo | Antonia Caballero | Ixtab | Muwan | Quinn | Antonio Marcel De la Vega | Jazz | Louie | Marco | Adrik | Alana
Minor Characters:	Mr. Ortiz | Pacific | Saqik'oxol | Abuelo Santiago | Clementino | Itzel | Fausto | Red Queen | Gee | Serena | Sipacna | Kip
Mayan Gods:	Ah-Puch | Hurakan | K'ukumatz | Ixkik' | Bakab | Yant'o Triad | Nakon | Ixkakaw | Ixchel | Itzamna | Alom | Camazotz | Chaac | Akan
Mexica Gods:	Tlaltecuhtli
Creatures:	Demon Runner | Nawal | Alux | Demon | Giant | Hellhound | Mud Person | Ahuizotl | Unknown
Related Content:	Jennifer Cervantes | Shadow Bruja Duology | The Cave of Doom | Rick Riordan Presents