GOORAMA!

Sad news: #CNN confirms that Ron Palillo, best known as "Horseshack" on TV's "Welcome Back, Kotter," has died in Florida at age 63.

— David Daniel (@CNNLADavid) August 14, 2012

Sad news, indeed. After Robert Hegyes’ death earlier this year, we’ve lost another sweathog. Ron Palillo, aka Arnold Horshack from “Welcome Back, Kotter,” passed away this morning at his home in Palm Beach Gardens, Florida.

Ron Palillo's agent confirms to #CNN the "Welcome Back, Kotter" actor died of a heart attack, remembers him as "upbeat, fun, a great friend"

— David Daniel (@CNNLADavid) August 14, 2012

Tributes to Gabe Kotter’s most enthusiastic student poured in:

Anyone seen Freddie Boom Boom Washington? Sweat Hogs are dropping like John Travolta pants in the East Village. Goodbye Arnold Horshack

— Gary Michaels (@GaryMichaelsNY) August 14, 2012

Aww gosh. Someone else i really loved as a kid has passed. Too young! http://t.co/uc6w12kX

— Cheryl Rice (@CherylRice) August 14, 2012

NO! i loved him when i was a kid. 🙁 RT @TheTVJunkie: RIP Horshack http://t.co/f9zG6VN2 #Kotter

— anniewood (@anniewood) August 14, 2012

Hope the afterlife gives you a "Welcome Back, Welcome Back, Welcome Ba-a-ack…", Horshack. #RIP #UpYourNoseWithARubberHose

— Jessie V. (@Surfer567Rosa) August 14, 2012

Very very sad day. I just read the Arnold Horshack (Ron Palillo) has died. I LOVED him. My fave Sweathog.

— Tomi Hughes Morris (@tomitweets) August 14, 2012

The most annoying but distinctive laugh of my youth. RIP Horshack: Ron Palillo, Horshack on 'Welcome Back, Kotter' dies http://t.co/AtgZZCK8

— Mitchell Plitnick (@MJPlitnick) August 14, 2012

Raising my arm in respect. RIP. RT @WPTV: Ron Palillo, Arnold Horshack on "Welcome Back, Kotter," dies at age 63 http://t.co/t5RCUmhJ

— Alan Sepinwall (@sepinwall) August 14, 2012

RIP Ron Palilo aka Horshack on WELCOME BACK KOTTER. May your hand be raised in Heaven now. http://t.co/UxugzBZZ

— Marcus Gilmer (@marcusgilmer) August 14, 2012

Hopefully God has a sense of humor when Horshack raises his hand with a question in heaven. RIP Ron Palillo. http://t.co/5mZUBy4a

— Sir Guy of Gisbourne (@SirGuyGisbourne) August 14, 2012

RIP Ron Palillo. One of the first impressions I ever did as a kid. #Horshack #WelcomeBackKotter

— Frank Caliendo (@FrankCaliendo) August 14, 2012

Thoughts also go out to the family of Ron Palillo today. My best, Bill

— William Shatner (@WilliamShatner) August 14, 2012

Oh no, first Epstein, now Horshack! I might just shed a tear over this one. He was my favorite. RIP Ron Palillo – http://t.co/unt6TOwo

— Lovin' Lyrics (Jenn) (@lovinlyrics) August 14, 2012

Raise a glass — and raise your hand — in Palillo’s honor.

RIP.

Read more: http://twitchy.com/2012/08/14/rip-horshack-ron-palillo-dead-at-63/