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.

Had a stressful life as an engineer and thus turned to lecturing with the aid of a blackboard and easel

He eliminated the need for a spark plug found in the earlier internal combustion engine design of Nikolaus Otto

And instead used it for cheap thrills whenever he was blotto

Dmitri Shostakovich

irach

Wrote symphonies and pieces for string quartets for which (... unfinished sentence alert)