Sensei Brantley[3] is Marco Diaz and Jeremy Birnbaum's karate instructor. He first appeared in "Monster Arm".


Sensei appears to take great pride in his job and in the "noble sport" of karate, though he offhandedly mentions that he's only the sensei for a strip mall dojo.

Sensei also greatly disapproves of cheating, as he disqualifies both Marco Diaz and Jeremy Birnbaum for doing so during a karate tournament, but he does think that Marco's monster arm is cool.

In "Red Belt", Sensei is shown to be somewhat immature, as he still lives with his mother at the age of 38, rides a bicycle, and has a short attention span. This is implied to be, at least in part, a consequence of his failure to move past the green belt level of karate up to that point.

In "All Belts are Off", he is shown watching children's cartoon shows, and admits to learning most of his "life lessons" from them.


Sensei has tanned skin, brown eyes, brown hair and a thin black beard. He wears a sleeveless black karate uniform with a red stripe on one of the legs, a red belt, and a red dragon figure on the chest area. He also has a pair of yellow earrings, a red headband, white shoes, and white tape on his forearms. There is a small tattoo on his left arm with a Japanese character that means "sky", "heaven", or "god".


Season 1

Season 2

Season 3


S1E5 For strip mall dojo everywhere
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  1. Marco Diaz in "Red Belt": "I actually wanted to be like you, but you're just like me -- except I'm not gonna end up 38 years old and still living with my parents."
  2. Sensei in "Trickstar": "I just want to thank you all for showing up to my 38th birthday bash."
  3. Star and Marco's Guide to Mastering Every Dimension by Dominic Bisignano and Amber Benson. March 7, 2017. Published by Disney Press. Page(s) 23. ISBN: 978-1484774199.
ved Star vs. the Forces of Evil Characters
Main characters
Star ButterflyMarco DiazLudo
Characters from Earth
Diaz family:
Angie DiazLinda DiazRafael Diaz

Echo Creek Academy:
Alfonzo DolittleAndreaAwesome OpossumsBeckyBlake LemonsBrittney WongChantalChelsea McNelseyEdFerguson O'durgusonFrancis SmithingtonHope HadleyIngrid BloomgrenJackie Lynn ThomasJanna OrdoniaJustin ArmbergLars VanderdudLeahMegan GandlymMiss SkullnickMoobs SquitsonOskar GreasonPrincipal SkeevesRaya RouseySabrina BackintoshStarFan13TimmyZeke

Amy VendrosianBon BonBrigidCharlie BoothJeremy BirnbaumLove SentenceLydiaMackie HandMarisolMrs. LiaoSensei BrantleyWarriors

Characters from Mewni
Butterfly family:
Celena ButterflyComet ButterflyCrescenta ButterflyDirhhennia ButterflyEclipsa ButterflyEstrella ButterflyFestivia ButterflyJushtin ButterflyKing ButterflyQueen ButterflyRhina ButterflySkywynne ButterflySolaria Butterfly

FooldukeGlossaryckLady WhositsLil ChaunceyManfredManticoreMime GirlMina LoveberryRuberiotSir LavaboSir Scarsguard

Pony Head family:
King Pony HeadPony Head

BrianMr. CandleTom Lucitor

Forest of Unlikely Spider Bites:
King ShastacanPrincess Spiderbite

Ludo's army:
Bald eagleBeard DeerBearicornBig ChickenBoo FlyBuff FrogEmmittGiant spiderLobster ClawsMan ArmSpikeballsThree-eyed Potato BabyToffeeUnnamed bat monsterUnnamed crocodile monsterUnnamed flower monsterUnnamed frill-neck monsterUnnamed giraffe monsterUnnamed goat monsterUnnamed lizard monsterUnnamed mushroom monsterUnnamed two-headed monsterUnnamed warthog monster

Buff Frog's tadpolesDennisDogbullFlower monstersGlobgorHiggsHydraJohansen familyMewmansMillhorseRich PigeonWarnicorns

Characters from other dimensions
Magic High Commission:
HekapooLekmetOmnitraxus PrimeRhombulus

St. Olga's Reform School for Wayward Princesses:
GeminiGuardsMiss HeinousPrincess ArmsPrincess SmooshyRasticoreSt. OlgaSt. Olga's princesses

Quest Buy:
Cobalt FerreroQuest Buy sloth clerksRiddle Sphinx

Pixie clerkPixie EmpressPixie taskmasterPixies

Ben FotinoFather TimeHeliosHungry LarryJorbyKellyNachosNaysayaPreston Change-ORoySeahorseSeanSquaresTadTalon RaventalonWilloughby

Star Butterfly's creations
Butterfly monsterCloudyGiant magical squirrelsLaser puppiesMonster ArmSpider With a Top HatThree-eyed firecats