Muhmuguh is a Legends of Idleon NPC: quest reward, 3 quests.

Muhmuguh | Idleon Toolbox

Muhmuguh

Hold down instantly gain 6 Hours of Sailing Progress!

Hold down instantly gain 8 Hours of Gaming Progress!

Do the sailing things that Muhmuguh says!

Go to the Underground Computer and upgrade the Gaming Garden 3 times!

Unlock the 1st divinity by meditating at the Divinity alter on characters you don't play!