ICMP seems pretty simple, but what if I need more, well it is there.

How about changing the size of the packet to see how it changes round trip time, to test MTU or to see if packet fragmentation  is enabled?

Let’s change QOS (IP Precedence and/or DSCP) values to see how it impacts RTT.

Broadcast (local subnet or directed broadcast) an ICMP ping to see how many devices respond.

Specify the exact path or part of the path to use to reach a destination with loose source routing and strict source routing