Pyromaniac has these relationships to other tropes:

parents kids shares a parent with:
Ax Crazy
Personality Powers
Playing With Fire
parent child
Ax CrazyOmnicidal Maniac
Playing With FirePyro Maniac
Personality PowersMad Bomber
''Psycho Electro
Ax CrazyCrush Kill Destroy
''Robotic Psychopath
''Psycho Prototype
Playing With FireWreathed In Flames
''Fire Ice Lightning
''Four Element Ensemble
''Having A Blast
''Lightning Fire Juxtaposition
''Fire Water Juxtaposition
You'll need to Get Known if you want to add or modify these relationships.