A list of canon smells can be found by clicking this link. People
Tavros Nitram -- chocolate text
Sollux Captor -- mustard yellow text | appleberry blast
Karkat Vantas -- pavement grey text (cherry cough syrup blood)
Nepeta Leijon -- avocado text
Kanaya Maryam -- mint text
Terezi Pyrope -- ......... who fucking knows??? maybe elderberries???
Vriska Serket -- blueberry bubblegum text
Equius Zahhak -- acai berry text
Gamzee Makara -- eggplant text
Eridan Ampora -- grape juice text
Feferi Peixes -- plum jelly text
Dave Strider -- wild cherry text
Davesprite -- orange creamsicle text
Bro Strider -- raspberry text
John Egbert -- blueberry text
Jade Harley -- lime text
Rose Lalonde -- lavender text
Hypatia (NPC) -- cool mint
Mayu Amakura (Fatal Frame II AU) -- text, video, everything smells and tastes wrong
686 EBULLIENT PRISM (Halo) -- ice blue raspberry Kool-Aid text
Cortana (Halo) -- blue Hawaii Pepsi
Toothless (How to Train Your Dragon) -- salmiak-flavored Swedish Fish
Sam Flynn (Tron) -- dark chocolate covered Altoids mint
Abraxas (Tron) -- bumpy feeling text | sulfur
GLaDOS (Portal) -- whatever flavor you get from licking a battery text
Red Snout (original character) -- Sunny Delight text