He appeared in "Present Tense" where there is a flier for some of his cooking lessons in "Flip's Food & Fuel" as a possible gift that the Loud children wanted to give to Lynn Loud Sr. They changed their mind when Luan Loud showed him footage from his TV show yelling at the female chef student about her sauce being weak and called her weak which caused her to burst into tears.
Appearance[]
He has apricot skin, yellow spikey hair and he wears a white chef's shirt.
Personality[]
He is shown as a hot-tempered and impatient man. However, he is not above displaying compassion and support as shown when the Loud kids work hard to run their father's restaurant without him. He's also very disrespectful to his crew members (most notably his camera man).
Trivia[]
While Guy Grazer has an appearance similar to that of Guy Fieri, his personality is similar to that of Gordon Ramsay.
The Loud House Encyclopedia