Spawns a beggar familiar which picks up any nearby coins, leveling up after collecting several coins. At level 2, Bumbo gains a body. At level 3, it begins to fire tears. At level 4, Bumbo follows enemies and gains contact damage.
"Bumbo want coin!"
Spawns a familiar which follows Isaac and picks up any nearby coins. Bumbo changes level based on the amount of coins it's collected.
BFFS! - Doubles both the contact and shot damage, when applicable.