mc5 - Cleri Who's Who

Four lines rhyming AABB - scansion, rhythm, metre and all that malarkey is as random as-u-like. Oh yes - the featured subject, usually a person, is mentioned in the first line.
Here's a full and frank(ly better) intro by Thos along with some that were made earlier.

William Shakespeare

irach

Addressed many of his sonnets to a young man, the "Fair Youth" who Willy apparently homoerotically held as dear

Whereas Keats

Software

Wrote letters that covered many sheets See for yourself, ISP: Jeeves and Wooster.

[Softers] I've got that DVD set (Excellent) but cannot see Lord Peter Wimsey anywhere. Are you confusing him with Bertie Wooster?

After all, one is a character in humorous P.G. Wodehouse novels, the other is a Dorothy L. Sayers detective so it's an easy mistake to make.