|Occupation(s)||Magister ranked Plumber|
|Powers and Abilities|
|Abilities|| Steel-Bending Jaws|
Legs into Fish Tail
|Voice Actor||Rob Paulsen|
|First Appearance||The Mother of All Vreedles|
In Ultimate Alien, like fellow Pisciss Volann, he has grey skin, purple eyes, and an antenna on his head and gills. But unlike fellow Pisciss Volann, he has three fingers in each hand, black eyebrows and neat teeth. He wears glasses and a Plumber suit, but without pants.
In Omniverse, he now has yellowish-grey skin, different eye shapes, green eyebrows, sharp teeth, he is taller and his face is more pointed. He also wears glasses and a different Plumber suit with pants.
Powers and Abilities
Like Magister Pyke, Patelliday possesses extraordinary skills in martial artistry and agile swimming, underwater respiration abilities, sharp claws and teeth, and legs that can shift to make a fish tail and back.
- The Mother of All Vreedles (first appearance)
- The More Things Change: Part 1 (first re-appearance; cameo)
- The More Things Change: Part 2 (cameo)
- So Long, and Thanks for All the Smoothies (cameo)
- Gone Fishin'
- Tummy Trouble (cameo)
- The Frogs Of War: Part 1 (cameo)
- The Frogs Of War: Part 2
- O Mother, Where Art Thou?
- Mud is Thicker than Water
- A Fistful of Brains
- Max's Monster
- Animo Crackers
- Catfight (cameo)
- According to Phil, Magister Patelliday was the first alien he saw in Plumbers' Base on Earth.
- Patelliday's voice is a homage to comedian Don Knotts, who starred in the film The Incredible Mr. Limpet as a man who becomes a fish.
- Pateliiday even looks a bit like the film title character in fish-form.
- As the second-in-command of a law-enforcement organization, Pateliiday is also an homage to Don Knott's character of Barney Fife, from The Andy Griffith Show.
- His girlfriend, Peta Lou is a play on Thelma Lou, who is Barney Fifes girlfriend in the Andy Griffith Show.
- According to Derrick J. Wyatt: