Why is the Player not registering when Hit?

Hello!

Adapted a Walking NPC/Fireball shooter script from DutchDeveloper. Its a Script placed inside an NPC, the NPC walks around, shoots fireballs. Only one slight problem - it does not register when it Hits a Player. Line 64-69 is the relevant parts, but I included the entire script just in case.

No errors, when i put some Prints in to show whats being hit, it'll read back "baseplate" or "wall" or whatever else it hits, but never a Player, or anything with a Humanoid in it.

Thoughts? Advice? Many thanks in advance!

Script:

local Humanoid = script.Parent:WaitForChild("Humanoid")
local HumanoidRootPart = script.Parent:WaitForChild("HumanoidRootPart")

local WalkRange = 20
local FireballSpeed = 100
local Damage = 25

local Closest = nil

spawn(function()
    while true do
        wait()
        if Closest ~= nil then
            HumanoidRootPart.BodyGyro.CFrame = CFrame.new(HumanoidRootPart.Position, Vector3.new(Closest.Character.HumanoidRootPart.Position.X, HumanoidRootPart.Position.Y, Closest.Character.HumanoidRootPart.Position.Z))
        end
    end
end)

while true do
    wait(2)
    local RandomValue = math.random(0,10)
    local List = {}

    for i,v in pairs(game.Players:GetChildren()) do
        if v and v.Character then
            local Distance = (HumanoidRootPart.Position - v.Character.HumanoidRootPart.Position).Magnitude
            table.insert(List, {v, Distance})
        end
    end

    table.sort(List,function(A,B)
        return A[2] <= B[2]
    end)

    if #List >=1 then
        Closest = List[1][1]
    if RandomValue > 0 and RandomValue < 6 then
        local RandomWalkPosition = Vector3.new(math.random(-WalkRange,WalkRange),0, math.random(-WalkRange,WalkRange))
        Humanoid:MoveTo(HumanoidRootPart.Position + RandomWalkPosition)
    else

        local Fireball = Instance.new("Part")
        Fireball.Anchored = false
        Fireball.Shape = "Ball"
        Fireball.Size = Vector3.new(5,5,5)
        Fireball.TopSurface = Enum.SurfaceType.Smooth
        Fireball.BottomSurface = Enum.SurfaceType.Smooth

        Fireball.Material = Enum.Material.Sand
        Fireball.BrickColor = BrickColor.new("Institutional white")
        Fireball.CFrame = HumanoidRootPart.CFrame*CFrame.new(0,0,-10)
        Fireball.Parent = workspace
        Fireball.CanCollide = false

        local BV = Instance.new("BodyVelocity")
        BV.MaxForce = Vector3.new(100000,100000,100000)

        local Origin = HumanoidRootPart.Position
        BV.Velocity = (List[1][1].Character.HumanoidRootPart.Position - Origin).unit * FireballSpeed
        BV.Parent = Fireball
        spawn(function()
            wait(2)

        Fireball.Touched:Connect(function(Hit)  -- STARTS HERE
            if Hit and Hit.Parent and Hit.Parent:FindFirstChild("Humanoid") then  
                Hit.Parent.Humanoid:TakeDamage(Damage)  
                end
                    Fireball:Destroy()  
            end)
        end)
        wait(2)
        end
    end
end