Some operating systems will respect Perl altering the job name through manipulation of the $0 variable (that's dollar-zero). E.g.

$0 = "SpeciallyNamedJob";
sleep 60;
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or a one-liner: perl -e '$0="SpeciallyNamedJob"; sleep 60'

If you type: ps ax you'll see:

3545971 pts/13   S+     0:00 SpeciallyNamedJob
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