Sylvester J. Pussycat, Sr. atau Sylvester (the Cat) adalah sebuah tokoh kartun dalam serial Looney Tunes dan Merrie Melodies produksi dari Warner Bros.. Sylvester memakai nama yang disadur dari felis silvestris.

Tentang Sylvester 
Sylvester menggambarkan seekor seekor kucing berwarna hitam dan putih milik Granny. Sylvester selalu dijaga Granny. Sasaran yang diincar Sylvester ialah Tweety, Speedy Gonzales dan Hippety Hopper. Sylvester kadang-kadang bekerjasama dengan Wile E. Coyote waktu menangkap Speedy Gonzales dalam adu lomba cepat antara Speedy Gonzales dan Road Runner. Karakter ini kadang-kadang payah dalam tugas menangkap burung atau tikus.

Karakter ini diciptakan oleh Friz Freleng

Pengisi suara 
 Mel Blanc (1945-1989)
 Joe Alaskey (sejak 1990)
 Jeff Bergman (Bugs Bunny's Overtures to Disaster, Family Guy)
 Bill Farmer (Space Jam)
 Jeff Bennett (Museum Scream)
 Frank Welker (Robot Chicken)

Penampilan

Kartun Looney Tunes 
 1945
 Life with Feathers
 Peck Up Your Troubles

 1946
 Kitty Kornered

 1947
 Tweetie Pie
 Crowing Pains
 Doggone Cats
 Catch as Cats Can

 1948
 Back Alley Op-Roar
 I Taw a Putty Tat
 Hop, Look and Listen
 Kit for Cat
 Scaredy Cat

 1949
 Mouse Mazurka
 Bad Ol' Putty Tat
 Hippety Hopper

 1950
 Home Tweet Home
 The Scarlet Pumpernickel
 All A-bir-r-r-d
 Canary Row
 Stooge for a Mouse
 Pop 'im Pop!

 1951
 Canned Feud
 Putty Tat Trouble
 Room and Bird
 Tweety's S.O.S.
 Tweet Tweet Tweety

 1952
 Who's Kitten Who?
 Gift Wrapped
 Little Red Rodent Hood
 Ain't She Tweet
 Hoppy Go Lucky
 A Bird In A Guilty Cage
 Tree For Two

 1953
 Snow Business
 A Mouse Divided
 Fowl Weather
 Tom Tom Tomcat
 A Street Cat Named Sylvester
 Catty Cornered
 Cats A-Weigh

 1954
 Dog Pounded
 Bell Hoppy
 Dr. Jerkyl's Hide
 Claws For Alarm
 Muzzle Tough
 Satan's Waitin'
 By Word of Mouse

 1955
 Lighthouse Mouse
 Sandy Claws
 Tweety's Circus
 Jumpin' Jupiter
 A Kiddie's Kitty
 Speedy Gonzales
 Red Riding Hoodwinked
 Heir Conditioned
 Pappy's Puppy

 1956
 Too Hop To Handle
 Tweet and Sour
 Tree Cornered Tweety
 The Unexpected Pest
 Tugboat Granny
 The Slap-Hoppy Mouse
 Yankee Dood It

 1957
 Tweet Zoo
 Tweety and the Beanstalk
 Birds Anonymous
 Greedy For Tweety
 Mouse-Taken Identity
 Gonzales' Tamales

 1958
 A Pizza Tweety Pie
 A Bird In A Bonnet

 1959
 Trick or Tweet
 Tweet and Lovely
 The Cat's Paw
 Here Today, Gone Tamale
 Tweet Dreams

 1960
 West of the Pesos
 Goldimouse and the Three Cats
 Hyde and Go Tweet
 Mouse and Garden
 Trip For Tat

 1961
 Cannery Woe
 Hoppy Daze
 Birds of A Father
 D' Fightin' Ones
 Rebel Without Claws
 The Pied Piper of Guadalupe
 The Last Hungry Cat

 1962
 Fish & Slips
 Mexican Boarders
 The Jet Cage

 1963
 Mexican Cat Dance
 Chili Weather
 Claws in the Lease

 1964
 A Message To Gracias
 Freudy Cat
 Nuts and Volts
 Hawaiian Aye Aye
 Road To Andalay

 1965
 It's Nice To Have A Mouse Around The House
 Cats And Bruises
 The Wild Chase

 1966
 The Taste of Catnip

 1979
 Bugs Bunny's Christmas Carol
 The Yolk's on You

 1995
 Carrotblanca

 1997
 Father of the Bird

 2004
 Museum Scream

Acara TV lain 
 Tiny Toon Adventures: pembantu Furball
 The Sylvester and Tweety Mysteries: pengacau bagi Tweety.
 Loonatics Unleashed: pekerja bagi Queen Granicus; dengan nama Sylth Vester.

Lihat pula 
 Looney Tunes

Pranala luar 
  Biografi Sylvester di Warner Bros.co.uk

Kucing fiktif
Karakter Looney Tunes