Charizard:
Amazing Special Coverage including Dual STAB, Rock, Ground, and Dragon coverage
Belly Drum, Swords Dance, Dragon Dance to use its Physical Atk
Recovery with Roost
Speed Control with Tailwind
Defog for Hazard Control and Screen Removal
Tims so it doesn't get spit-roasted by rocks, One Mega sets up weather,
Another Mega to use its physical movepool even more efficiently,
A Gigantamax that damages enemies for 5 turns
Dominates VGC


Typhlosion:
Eruption (Respectable niche)
Flash Fire (Pairs well with Eruption but only in Doubles)
Only VGC Appearance required it to be babysat by Mega Charizard Y
???
???
???
???
???