He chose the second-floor men's room for his mural Once Upon a Time.In June, on the rear wall of the convent of the Church of Sant'Antonio (in Italian: Chiesa di Sant'Antonio abate) in Pisa (Italy), he painted the last public work of his life, the mural "Tuttomondo" (translation: "All world").
By 1982, Haring had established friendships with fellow emerging artists Futura 2000, Kenny Scharf, Madonna and Jean-Michel Basquiat.Profoundly influenced at this time by the writings of William Burroughs, he was inspired to experiment with the cross-referencing and interconnection of images.which were filmed by the photographer Tseng Kwong Chi.He also designed the cover for the benefit album A Very Special Christmas, on which Madonna was included.In 1988 he joined a select group of artists whose work has appeared on the label of Chateau Mouton Rothschild wine.Around this time, "The Radiant Baby" became his symbol.
His bold lines, vivid colors, and active figures carry strong messages of life and unity.
He even created several pop art pieces influenced by other products: Absolut Vodka, Lucky Strike cigarettes, and Coca-Cola.
In 1987 he had his own exhibitions in Helsinki, Antwerp, and elsewhere.
It also supports arts and educational institutions by funding exhibitions, educational programs, and publications.
Haring also entrusted the foundation with carrying on his legacy through research and sharing his works and materials pertaining to his life.
On October 23,1986 Keith was asked by the Checkpoint Charlie Museum to create a mural on the Berlin Wall.