I could be wrong but I believe is is young, Neil young and Young Neil Young.
That was what I thought when I first saw the poster, with the similar hair cut, guitar, and harmonica. However, I have never seen any pictures or videos of him wearing glasses, a hat, or a tie like in the image on the upper right, and the face on the lower middle (that is obviously Neil) is slightly different than the other two, especially the one on the upper right. According to this
website, in 1989 he toured with two bands, The Restless and The Lost Dogs. I have not seen any pictures of band members that resembled these images, so maybe you are correct.