Donkey Kong Jr. is a high quality game that works in all major modern web browsers.
But as of Super Smash Bros. Brawl and Donkey Kong Country Returns, it's been confirmed that Cranky Kong is Donkey Kong's grandfather, making DK officially Donkey Kong the Third.

Resembles a gorilla and his beard references silver-back gorillas. If you enjoy this game then also play games Donkey Kong Country and Mario vs. Donkey Kong. Donkey Kong Jr. has 9 likes from 11 user ratings. He is the original Donkey Kong (aka Donkey Kong Sr./Senior) from the 1981 arcade game of the same name; now he goes by his nickname after becoming old and cranky. But what that means for Donkey Kong Jr., besides that he eventually grew up and had Donkey Kong with an unnamed lady Kong, has gone unaddressed by Nintendo and Retro Studios. What did Nintendo do to Dk Jr.? This online game is part of the Arcade, Retro, Emulator, and NES gaming categories. Itrue last apperance is either Mario Tennis 64 or a cameo in Double Dash (in Waluigi's level). ". Diddy's great-grandfather.

Donkey Kong Junior was the original successor to the widely popular Donkey Kong arcade cabinet, where he was featured as the protagonist, saving his father from his white male oppressor, Mario. ". Donkey Kong Jr.'s father and the current Donkey Kong's grandfather.
For Donkey Kong Jr. on the Famicom Disk System, a GameFAQs message board topic titled "What ever happened to foofyhead? I know Diddy Kong is he replacement.

For Donkey Kong Jr. on the Famicom Disk System, a GameFAQs message board topic titled "What happened to Donkey Kong? If that's true, who's the Donkey Kong in DKC and what happened to DK Jr.? The aged ape claimed to be the original arcade Donkey Kong that kidnapped Pauline. While he has had small nods and cameos in recent years, …