Glizzy

Froot Loops

Nah

Nah

All-Bran – Kellogg's (1916–present)
Almond Delight – Ralston
Alpen – Weetabix Limited
Alpen No Sugar -Weetabix Limited
Alpha-Bits – Post Cereals (1958–present)
Apple Jacks – Kellogg's (1965–present)
Apple DJ Crashers – Kellogg's (2007)
Apple Jacks Apple Clones – Kellogg's (2010–present)
Caramel Apple Jacks – Kellogg's (2020)
Cinnamon Jacks – Kellogg's (2013)
CinnaScary Apple Jacks – Kellogg's (2005)
Apple Jacks Double Vision – Kellogg's (2006)
Apple Jacks with Blue Carrots – Kellogg's (2003)
Apple Jacks Gliders – Kellogg's (2009)
Apple Jacks with Marshmallows – Kellogg's
Apple Raisin Crisp – Kellogg's
Apple Zings – Malt-O-Meal Company
Aquaman – Funko
Atlantis: The Lost Empire – Kellogg's (2001)
Avengers – Kellogg's
Boo Berry
Baby Shark Cereal – Kellogg's (2019–present)
Bart Simpson's No ProblemO's – Kellogg's (2002)
Bart Simpson's Eat My Shorts – Kellogg's (2003)
Bart Simpson Peanut Butter Chocolate Crunch – Kellogg's (2001)
Basic 4 – General Mills
Batman – Ralcorp
Batman – Funko
Batman – General Mills
Batman Returns – Ralcorp
Boo Berry – General Mills (1973–present / seasonal since 2010)
Black Panther – FYE
Blueberry Muffin Toasters – Malt-O-Meal (2019)
Bob Ross The Joy of Cereal – FYE (retailer) (2019–present)
Booty O's – FYE (2016)
Bran Flakes – Kellogg's (1922–present)
Brekky Heroes
Choc Boulders
Fruity Hoops
Honey Bolts
Choc Malt Clusters
Berry Loops
Buc Wheats – General Mills (discontinued)
Buzz Blasts – Disney/Pixar/Kellogg's (2002-2005/06)
Cap'n Crunch
MultiGrain Cheerios
Cinnamon Toast Crunch
C-3PO's – based on the Star Wars character C-3PO (1980s)
Cabbage Patch Kids Cereal (1980s)
The California Raisins Cereal – Post Cereals
Cap'n Crunch – Quaker Oats (1963–present) originally named after state football champ captain Lance (Crunch) Rickman
Cap'n Crunch Crunch Berries – Quaker Oats (1967–present)
Choco Crunch
Choco Donuts – (2003–?)
Chocolatey Crunch
Chocolatey Berry Crunch – (2020–?)
Cinnamon Crunch – (1973–1974)
Cinnamon Roll Crunch – (2012–present?)
Deep Sea Crunch
Home Run Crunch – (1995–1996, 2007–2008 (rerelease), 2016 (second rerelease))
Peanut Butter Crunch – Quaker Oats (1969)
Punch Crunch – Quaker Oats (1973)
Sprinkled Donut Crunch – (2015?-?)
Touchdown Crunch – (2009)
Vanilly Crunch – Quaker Oats (1971)
Captain Planet Cereal (1994)
Caramel Crunchfuls – (2010–present)
Cars (movie) – Kellogg's (2006)
Cars 2 – Kellogg's (2011)
Cars 3 – Kellogg's (2017)
The Cat in the Hat – Kellogg's (2003)
Caticorn – Kellogg's
Cheerios – General Mi

Not in there-

Ancient Grain Cheerios (2015)
Apple Cinnamon Cheerios (1988–present)
Banana Nut Cheerios (2008–present)
Berry Burst Cheerios (2003–present)
Berry Burst Cheerios – Strawberry (2003–present)
Berry Burst Cheerios – Triple Berry (2003–present)
Cheerios Protein – Cheerios (2014)
Cinnamon Cheerios (2004–present)
Cinnamon Burst Cheerios (2011–present)
Cinnamon Nut Cheerios (1980–present)
Chocolate Cheerios (2010–present)
Chocolate Peanut Butter Cheerios (Limited edition for 2016, permanent in 2017)
Frosted Cheerios (1995–present)
Fruity Cheerios (2006–present)
Honey Nut Cheerios (1979–present)
Maple Cheerios
Millenios (Cheerios) (1999–2000)
MultiGrain Cheerios (1991–present)
MultiGrain Dark Chocolate Crunch Cheerios (2014–present)
MultiGrain Peanut Butter Crunch Cheerios (2012–present)
Oat Cluster Cheerios Crunch (2007–present)
Pumpkin Spice Cheerios (2016)
Strawberry Cheerios (2017)
Team (USA) Cheerios (1996) – (special edition, discontinued)
Toasted Coconut Cheerios (2019)
Very Berry Cheerios (2017–present)
Yogurt Burst Cheerios – Strawberry (2004–present)
Yogurt Burst Cheerios – Vanilla (2004–present)

Nah

Chex – Ralcorp (1937–1997); General Mills (1997–present)[1]
Apple Cinnamon Chex (2012–present)
Chocolate Chex (2007–present)
Cinnamon Chex (2009–present)
Corn Chex (1958–present)
Double Chex (1990s)
Frosted Mini-Chex (2002–2006)
Graham Chex (mid 1990s)
Honey Graham Chex (1986–early 1990s)
Honey Nut Chex (1999–present)
Multi-Bran Chex (1990–present)
Peanut Butter Chex
Rice Chex (1950–present)
Strawberry Chex (2008–2010)
Sugar Chex (1970s)
Vanilla Chex (2013–present)
Wheat Chex (1937–present)

Nah

Choco Crunch (original) – Quaker Oats (1980s)
Choco Crunch (re-introduced version) – Quaker Oats (2007–present)
Chocapic – Nestlé
Chocolate Donutz – General Mills (early 1980s)
Chocolate Crunchfuls- (2010–present)
Chocolate Flakes – Kellogg's (not generally sold in the U.S.)
Chocolate Peanut Butter Corn Pops – Kellogg's – (2007)
Chrebet Crunch (1999)
Chocolatey Peanut Butter Crunch – Quaker Oats (2006)
Chocolate Toast Crunch – General Mills (2013–present)
Chocos – Kellogg's
Christmas Crunch – Quaker Oats (1988–present)
Cinnabon – Kellogg's
Cinnamon Crunch – Quaker Oats (1970s)
Cinnamon Crunch Crispix – Kellogg's (2001–2006)
Cinnamon Grahams – United Kingdom
Cinnamon Jacks – Kellogg's (2013–)
Cinnamon Mini-Buns (1991–1993)
Cinnamon Marshmallow Scooby-Doo – Kellogg's (2002)
Cinnamon Toast Crunch – General Mills (1984–present)
Cinnamon Toast Crunch Churros – General Mills (2018)
Cinnamon Toasters – Malt-O-Meal
Circus Fun – General Mills (Late 1980s)
Clackers – General Mills
Clusters – General Mills
Coco Munch
Coco Roos – Malt-O-Meal
CoCo Wheats – Little Crow Foods (1930–present)
Coco Pops – Kellogg's (known as Cocoa Krispies in some parts of the world; the generic equivalent sold under many different names)
Cocoa Pebbles – Post Cereals
Cocoa Puffs – General Mills (1958–present)
Cocoa Puffs Brownie Crunch (2011)
Cocoa Puffs Combos (vanilla and chocolate puffs mixed) – General Mills (2008)

Nope

Cocoa Hoots – Kellogg's
Colossal Crunch – Malt-O-Meal
Comet Balls – Spix/Sulava & Company (2006–present)
Complete
Concentrate – Kellogg's (1959–c.1980)[2]
Cookie Crisp cereal
Cookie Crisp (1977–present)
Cookie Crisp Brownie (2013–present) (available in the U.K)
Double Chocolate Cookie Crisp (2006–2008)
Oatmeal Cookie Crisp (1978–1980)
Peanut Butter Cookie Crisp (2005–2007)
Cookie Crisp Sprinkles (2009–2012)
Vanilla Cookie Crisp (1978–mid 1980s)
Crispix
Corn Bran
Corn Bran Squares
Corn Bursts – Malt-O-Meal
Corn Pops – Kellogg's (1951–present; originally known as Sugar Pops)
3 Point Pops (1999)
Candy Corn Pops (2001)
Corn Flakes
Corn Flakes – Kellogg's (1907–present)
Corn Soya – Kellogg's
Corny Snaps – Kellogg's (1970s)
Count Chocula
Count Chocula (1971–present / seasonal since 2010)
Cracklin' Oat Bran Kellogg's
Cracker Jack Cereal – Ralston (1983–1985)
Cranberry Almond Crunch – Post Cereals (1997–present)
Cranberry Wheats – Asda
Cran-Vanilla Crunch – Kellogg's (2005–2007)
Crazy Cow – General Mills (late 1970s)
Cream of Wheat (1893–present)
Create a Crunch Cereal Making Kit – Post Cereals (Early 2000s)
Crispix – Kellogg's – (1983–present)
Crispy Critters – Post Cereals (1963–1980s)
Crispy Rice – Malt-O-Meal
Crispy Wheats 'n Raisins – (no longer in production)
Cröonchy Stars – Post Cereals (1988–1989) featuring the Muppets' Swedish Chef
Crunch Berries – Quaker Oats
Cruncheroos – Kellogg's (1990s)
Crunchy Bran – Weetabix Limited
Crunchy Corn Bran – Quaker Oats
Crunchy Nut Cornflakes
Cuphead & Mugman – Funko

Not in there

Just give up XD

im only at C-
theres still 23 more letters to go-
lol

Mmm

Despicable Me Cereal – Kellogg's (2017)
Diamond Shreddies – General Mills/Cereal Partners
Dinersaurs – Ralston (1988–1989)
Dinky Donuts – Ralston (1980s)
Donkey Kong Crunch – Ralston (1982–1983)
Donkey Kong Jr. Cereal – Ralston (1983–1984)
Dora the Explorer Cereal – General Mills
Double Dip Crunch – Kellogg's (late 1980s–1993)
Dudley Do-Right – General Mills
Dunkin' Donuts Cereal – Ralston (late 1980s)
Dunkin' Caramel Machiato (Post) 2020
Dunkin' Mocha Latte (Post) 2020
Dyno-Bites – Malt-O-Meal

Hint: it's after the letter k

does that include k?

Nu

ooooooooh is it lucky charms

Yes

yey XD noice