Mega Beedrill

One of the first Mega Pokemon introduced to Pokemon Go, Mega Beedrill looks absolutely terrifying with its high ATK stat. While Bug and Poison typings are typically not as valuable as other typings, the early accessibility makes it a good entry option. It should be noted while Mega Beedrill packs a big punch (or sting), it's also very fragile and likely won't last long as an attacker. Stronger Bug-type Mega Pokemon will likely be introduced in the future to replace Mega Beedrill, but for now this is a cool addition to any player's collection. Also worth noting is that Mega Beedrill packs the highest Poison DPS of any of the Mega Evolutions, to the point where its Poison moveset actually out-damages its Bug moveset, though Poison is still a less than useful type in raids generally speaking.