About my Templar boss that you're going to put in... here's his theme:
https://www.youtube.com/watch?v=UopuMvi0SCw

In case you want to add the themes of my other bosses, here they are:

Bacon Pardner:
https://www.youtube.com/watch?v=Vh2LAafEw38

Pootis Bird (probably the one edited by Epicman):
https://www.youtube.com/watch?v=ZsfkxOSfCos

Meth-High Sniper:
https://www.youtube.com/watch?v=wSOgxDklIsA

Myself (MeeMFromHH, made by you):
https://www.youtube.com/watch?v=AGUwK-V_rRI
https://www.youtube.com/watch?v=afwK743PL2Y