It’s My Birthday Toooday ;3

Happy birthday to MEEEeEeEeEeee 😈 I am officially 16 years old yaaaaay and Velma is WAY AHEAD OF ME being 29 lmao forget it 🤣🥳

[@shannaphillips717]

happy birthday queen!! velma should totally be a part of the show

[@Stolas_WCUE.]

Happy birthday! You have inspired me to make my main sona into a helluva boss character XD happy sweet 16! :)

[@Rexxaii]

HAPPY 16TH BIRTHDAY KAT AND HAPPY 29TH BIRTHDAY VELMA (it it is

[@Alisonchik269]

Happy birthday Darling🎉🎉🎉
We're love you!♡︎♡︎♡︎

[@BeeMiaMiko]

Happy Birthday!

[@ItzVyxCosplay]

:O Its my birthday today too! Happy Birthday!! ❤🎉✨

[@Vexcited_]

Happy Birthday Kat! Have one Helluva Birthday :D

[@Lavenders781]

HELL IS TRASH😡😡😡😡🤢

[@Arina-Official]

Happy 16th birthdayyyyyyy

[@N3PTUN3Z_M00N]

Happy birthday! I love your animations! 🫶

[@Ellarose_akaElla]

Happy birthday Kat! Hope y'all have one hell of a birthday! 🎂🥳🙌

[@tarethompson2667]

Happy birthday, girl! I'm still young soo, I still have lots of years in front of me! I wish you and Velma good wishes for the future! :D

[@pinkleadereli]

Happy birthday ❤❤❤ my friend

[@Alexis_heart84]

Happy bday your my fav RUclipsr!

[@kristinahaileyhighsmith3538]

Happy birthday! Keep up the amazing work! Love the art! Your so talented!! 😊💕💝🎉🎁💸

[@CJC259]

Happy birthday! I hope you have an amazing day and get tons of love! 🎉🥳🎈🎊🎁

[@girlgamer7912]

Happy birthday Kat 🎂🎉🎁 keep going to do the amazing work my friend and have a great day❤❤❤❤❤

[@finncatmilitaryhopper4671]

Happy birthday :D I hope you have a good time on this great day :3 and remember that we love you ❤️

[@luna-cookie7564]

HAPPY BIRTHDAY QUEEN❤❤
BLESSINGS FOR YOU AND ALL YOUR FAMILY❤🎉

[@zaureilucien]

Happy Birthday!!!! :3

[@astephens3600]

Happy birthday. 🎂 🎉🥳🎊

[@nikolamitevski600]

Happy birthday! I love Your videos,you are my favorite Helluva boss fan creator tbh

[@xjustchloe]

Omg!!! Happy 16th!! Have an amazing birthday Kat ❤

[@LizGamingOfficial]

OMS..WERE BIRTHDAY
TWINSIES!
0:10 I am still trying to get Stolas to get me a human form lol, Btw Velma looks even more huggable now
Happy birthday Kat 🩷🩷

[@Ilovecats-wyo]

HAPPY 16 BIRTHDAY QUEEN🎉🎉

[@camrennoli261]

Happy Birthday, Kablitzyuwu! ❤🎉

[@Shinogiyu_chan]

Happy birsday 🎂🍰🎉
Too you

[@blitzsrealgf]

HAPPY BDAY! 🫶

[@just.a.username18]

Happy Birthday Kat, hope you have a wonderful and a amazing day

[@emeseerdelyi3068]

HAPPY BIRTHDAY GURLLL🎉🎉🎉🎉🥳🥳🥳

[@dismadm4494]

Happy b-day pal! ❤️🤍🖤

[@Grace_draws1]

HAPPY BIRTHDAY KAT!!!🎉 I BRING YOU GREAT WISHES!!!🎉❤😊
and a nice blitz balloon 🎈❤

[@fisshycakes]

HAPPY BIRTHDAY !!!

[@kuromi5512]

HAPPY BIRTHDAY!!!!!❤❤❤

[@stefaniapinto8870]

happy b-day Kat

[@Star-Witch_YT]

Happy Birthday @KatBlitzyuwu!!

[@unicookie599]

Happy Birthday Kat! Have a blitz theme balloon 🎈 🎉

[@TheamazingRed784]

HAPPY BIRTHDAY 🎊🎈🎁🎂

[@IsabellaMolo]

Happy Birthday Kat! Best wishes for you and Velma!

[@randomjunk6921]

Happy belated birthday!❤🎉

[@nuisishuajgaga]

Happy birthday to youuu and I love your art work!!!

[@BlackpawBlackcatoutsidelover]

Happy birthday Hope you have a great birthday.🥰

[@Chayok_s_SHIPovnikom]

Happy birthday! 🎉🥳
I love your videos!

[@Queen_of_chaos]

HAPPY BIRTHDAY!! Enjoy your day! ❤

[@Darkheart12221]

Happy birthday Happy birthday my lovely friend

[@thelittlejoker9004]

HAPPY BIRTHDAY!!! 🫶🏾❤🎉

[@Starvijane]

HAPPY BİRTHDAYYY🎉🎉💗

[@ALICEAHA12]

Helluva Birthday Kat✨✨❤🎉

[@Katblitzyuwu]

Lmao good one 🤣😉

[@SeraphinaArias-jq1hw]

Happy birthday even tho its too late😅🥳🥳🤩💕✨

[@michelleparnell3041]

Happy birthday🎉🎉🎉🎉🎉🎉🎉you make good videos and I love it

[@StoopyQuinziq]

Happy bday!

[@gemminiglitches]

Happy birthday kat and Velma! ✨✨✨✨✨

[@Vee_myself_UP]

Happy birthday and I subscribe and put on bell

[@ItzjustDen23]

Happy boithday

[@Fatou608]

Happy birthday ! 🥳🎂

[@Staw_Berry_kit]

Happy b-day❤❤❤❤❤❤❤❤❤❤AHHHHHHHHHHHHHHHH SLAY!!!❤❤❤❤

[@Max-pw9bz]

Happy birthday 🎂

[@HangingwithHaydenHWH]

Happy birthday, I hope it was good

[@zombie4592]

We wish you a happy birthday (edit for Christmas)

[@thebananapuppy5614]

Omg! Happy Birthday!

[@rtcnoodles]

WOOOO HAPPY SWEET 16 KAT!! 🎉🎉🎁🎈🎊

[@even_southpark331]

Happy birthday 🎉🥳🥳🎉🎉🥳

[@nicoleguek9908]

Happy birthday! 🎉

[@redsdeadahead7]

Happy birthday! Wooooo…yeah!

[@IsaXlonely]

Happy birthday kat! I love your videos, Never give up on your drawing and animation talent! All good for you! 💕✨

[@Dave.Spygame.360]

Happy birthday to you 🎉

[@_decabrasik_0.223]

С днем рождения тебя❤>^

[@K1nk4j0u]

Happy Birthday, Kat! ❤❤ :)

[@Your_bundle_of_joy1234]

Happy birthday!❤️

[@Strawberryzzz-fo8hd]

Happy birthday! Have fun being a year older! ^^ 😍

[@fnafgod2012]

Happy Birthday 🥳🥳🥳🥳🥳 I hope you have a great day!!!!!!!!!!!

[@trickstermain]

Happy bday hope you have a good day ^^

[@MoonHeartWCUE6109]

I am so late, but this is beautiful!!! Happy birthday!!!!

[@Niki_The_Introvert]

Happy Birthday!! love the drawing :]

[@timredgameryt]

HAPPY BIRTHDAY

[@HS_554]

Happy bday Kat 🎉🎉🎂

[@devon_and_wiki]

OMG HAPPY BIRTHDAY KAT!!🎉🥳

[@N3llice]

Aww!!! Happy late birthday!!

[@KiraWonderhoy]

HAPPY BIRTHDAY GIRL!!! 🎉🎉🎉

[@K-qu6ny]

Happy birthday :)

[@Ace_star_xx12]

happy birthday🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉

[@Mark_Markery]

happy b day!!!🎉🎉

[@theflamerwolfer7909]

happy b day

[@LokiVids]

Happy (late) birthday! ❤🎂

[@human_inaclowncostume]

HAPPY BIRTHDAY!! Love your art and your HB Content, Keep it up! :)

[@hacker2010]

Happy Birthday

[@Kamielwolf2025]

Happy birthday to you!!!

[@WaltTheKingGamer]

✨Happy Birthday!!!!!!!!✨ your art is amazing! And funny enough my birthday is literally tomorrow lmao

[@Unitedstates909]

First HAPPY BIRTHDAY!!!!!

[@Gregory-animatronic-burner]

Happy birthday ❤❤❤❤

[@Wally-gq2eo]

HAPPY BIRTHDAY 🎂🥳 HOPE YOU HAVE AN AMAZING DAY 💖✨

[@1ndigotclawzz]

HAPPYY B-DAY KAT!!!!!!! THE ART LOOKS SO GOOOOOOOODDDD!!!!

[@ms.saxaphone3896]

Happy Birthday!!!!!! I hope it is an amazing one!!!!!

[@Razzle_Dazzle2]

HAPPY BIRTHDAY WISH YOU MANY MORE YEARS❤️❤️❤️💜💜💜💕💕💕💕🥳🥳🥳🥳🥳🤪🤪🤪🤪🤪😚😚😚😚

[@dreamspade0314]

Happy birthday 😁🥳🎂

[@N0Face_K1w1]

happy birthday kat!!!! hope you have a wonderful day today and stay safe!

[@ShadowMilkCookiehehehe]

HAPPY BIRTHDAY KAT!!!! 🎉

[@LLagz]

Happy birthday Ma'am ❤️ Hope you have a good one 🥳

[@LanaCh33seOfficial]

Happy birthday❤❤❤❤❤❤❤🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉

[@sarahfreckleton6345]

Happy birthday katblizuwu

[@Kjhvg]

I wish you a happy 16 Birthday and a nice day with blitz 🤗🤗🤗