“A mensch among mensches.”

Saget voiced the older Ted Mosby, whose younger self was played byJosh Radnoron the long-running CBS comedy.

“I’m endlessly grateful that HIMYM brought Bob Saget into my life.

HOW I MET YOUR MOTHER

The cast of ‘How I Met Your Mother’.Sonja Flemming/CBS via Getty Images

“He was always so kind and generous and hilarious,” Harris wrote.

“Gone too soon.”

“I was 15 & couldn’t get her to sleep/stop crying,” wrote Hannigan.

He was a wonderful Dad and human.”

He was the best.

Sending love to the many, many, many people who are heartbroken right now.

I can’t think of anyone whose memory will be more of a blessing."

Upon realizing this, Saget vouched for him.

When they reconnected years later, he told his now-colleague the story.

“I told Bob about the first time we met, back in 1991.

A big smile crossed his face.

“You were a good man, Bob.

Rest in peace.”