Draygon OBD
The only boss in the series to receive a proper burial

Name: Draygon
Origin: Metroid
Gender: Unknown (implied to be female)
Classification: Alien sea creature, Space Pirate commander
Age: Unknown
Powers and Abilities: Super strength, speed, durability, extendable tail, can spew blobs of an adhesive substance from its mouth
Weaknesses: Its underside is less durable than the rest of its body, vulnerable to electrocution, presumably helpless on land
Destructive Capacity: Large building level+
Range: Tens of meters with its adhesive projectiles
Speed: Superhuman
Durability: Multi city block level+ (its armored carapace is immune to anything in Samus' arsenal, and its underside can still withstand enormous damage from her strongest weapons)
Lifting Strength: At least Class 10+ (Draygon's species is quite strong for its size, and Draygon itself is the size of a small whale)
Striking Strength: At least Class 10+
Stamina: Unknown
Standard Equipment: Nothing notable
Intelligence: Unknown
Notable Attacks/Techniques:

Notable OBD Victories:

Notable OBD Losses:

Other: