Cabik Pentel

Cabik Pentel, also known as one of the Gum Brothers along with his older brother Deimlet Pentel, is a Master of the Red Faction in the Great Holy Grail War of Fate/Apocrypha. He was the original Master of Rider of Red. The brothers were quickly captured by Shirou Kotomine and eventually coerced to give up command of their Servants to him.

Background
Known as the Pentel brothers (ペンテル兄弟), they belong to the Pentel family. Kairi Sisigou has previously worked with them.

Other appearances
The two sisters Nazica Pentel (ナジカ・ペンテル) and Radia Pentel (ラディア・ペンテル) are relatives to the Pentel family and was mentioned in Fate/strange fake. They were disciples of Lord El-Melloi II and has reached either the ranks of "Brand" and "Pride".

Abilities
The brothers are magi known throughout the world, monsters specialized in combat who remove the opposition without mercy. They are the type of magi who divided up their family's Magic Crest between themselves and display greater power when near each other.

Creation and Conception
Yuuichirou Higashide said when he came up with freelance magi under the theme of "joined", in other words, conjoined twins. He was inspired by characters like the resistance leader Kuato who appeared in (the 1990 version). However the Red Masters didn't need to be written in such detail, so he quickly moved it to the discarded ideas pile.