From the passage provided find the names of the creators of Kafka. Separate them with a comma.

Kafka was originally developed at LinkedIn, and was subsequently open sourced in early 2011. Jay Kreps, Neha Narkhede and Jun Rao helped co-create Kafka.[4] Graduation from the Apache Incubator occurred on 23 October 2012.[5] Jay Kreps chose to name the software after the author Franz Kafka because it is "a system optimized for writing", and he liked Kafka's work.[6]

Jay Kreps, Neha Narkhede, Jun Rao