FACT!
William is the first character to actively use his powers, using a wisp to knock over Jimmy's chair.
source: S1E1 24:58

seen from Malaysia
seen from Syria
seen from United States

seen from France

seen from Japan

seen from Malaysia

seen from United States
seen from United States

seen from United States
seen from China
seen from Russia
seen from China
seen from China
seen from Bangladesh

seen from Malaysia

seen from Japan
seen from Germany
seen from Vietnam
seen from United States
seen from China
FACT!
William is the first character to actively use his powers, using a wisp to knock over Jimmy's chair.
source: S1E1 24:58
FACT!
"Ghostknife" was originally coined by William, not the fandom.
Source: S1E2 1:08:30
FACT!
The Wisp form makes it's first appearance in episode 4.
Source: S1E4 33:00
FACT!
William did not share a fun fact for his introduction, which is ironic considering he later calls out another character, Jimmy Jackson, for not sharing a fun fact.
source: S1E1 14:06, S1E1 15:45
Fun fact! Dakota and William merge??? Into one??? With William pulling Dakotas soul into his body as a power stunt for a bit during a fight.
S2 EP5 at 1:13:47
FACT!
Holy shit yeah that just happened.
Source: S2E5 1:13:47
William Fact 1#
William often sleepwalks and when he does he tends to walk out of the apartment and try to call people (has resulted in a smashed iPhone screen) so we now have to lock the doors to our apartment deck and put all phones out of reach.