Blizkost exposes Perl 5 in Parrot and make it accessible through the standard HLLCompiler interface. It does this by embedding Perl 5, and then building out from there. Blizkost should help the migration from Perl 5 to Perl 6 by providing a continuum. You will use Perl 5 modules from Perl 6 and progressively translate them to Perl 6.
Inline::Perl5 is a Module for executing Perl 5 code and accessing Perl 5 modules from Perl 6.