Robin Williams and Koko
Robin Williams hugs Koko, the Gorilla                                                                                  Screenshot/YouTube

The news of Robin Williams' untimely death has not only dismayed his friends and fans, but also Koko, the Gorilla. Koko and Williams were friends since 2001.

Being invited to meet Koko, who is fluent in American Sign Language, in 2001, at the Gorilla Foundation in Northern California, Williams became friend with Koko. When Koko was informed that her dear friend was dead, she became sad.

The video published on 13 August in popular website YouTube has received about two million views by the time. It is posted that the meeting in 2001 was a very cheerful encounter for both, and Koko has treasured it to this day. The video refers Robin Williams as a new friend of Koko in the year they met.

The four-minute-37-second video begins with "Hi this is Robin Williams. I recently had a mind-altering experience communicating with a gorilla; her name is Koko."

Watch the video here:

The meeting is said to be extraordinary, awesome and unforgettable in the video. The video has received about two million views by the time of reporting.

The video pictures the meeting of both, with some of the funny moments Williams had shared with Koko during his first meet. Koko asks Williams to chase her and tickle her in the video, which he does.

There are some interesting as well as funny incidents in the video such as Koko taking out William's wallet from his pocket, checking it and his ID.

Koko kissed on William's hand and hugged him before he left. The video remarks Koko's love towards William.

On 11 August, The Gorilla Foundation reported that after Koko, who communicates in sign language, came to know of Williams' death, "Koko became very somber, with her head bowed and lip quivering."

It is reported that Williams made Koko smile at their meet, which she hadn't done for over six months, and continued to smile until her life-long companion Michael passed away.