Suggestions by @user_111056

Gaston LeGume

as Gaston in Snoopy N' Friends: Gravity Falls

The Beast (Prince Adam)

as The Beast in Snoopy N' Friends: Gravity Falls

Gallaxhar

as Ghost Of Gallaxthar in Snoopy N' Friends: Gravity Falls

Riddler

as Wax RIddler in Snoopy N' Friends: Gravity Falls

Harley Quinn (TLBM)

as Wax Harley Quinn in Snoopy N' Friends: Gravity Falls

Harley Quinn Smith

as Wax Harley Quinn in Snoopy N' Friends: Gravity Falls

The Joker

as Wax Joker in Snoopy N' Friends: Gravity Falls

The Loch Ness Monster

as Loch Ness Monster in Snoopy N' Friends: Gravity Falls

The Lawn Gnomes (Goosebumps 2015)

as Gnomes in Snoopy N' Friends: Gravity Falls

Tom Cat

as Tom Cat in Snoopy N' Friends: Gravity Falls

Robyn Davenport

as Robyn Davenport in Snoopy N' Friends: Gravity Falls

Andrea Davenport

as Lady Davenport in Snoopy N' Friends: Gravity Falls

Fifi (Peanuts)

as Fifi in Snoopy N' Friends: Gravity Falls

Sid the Sloth

as Sid in Snoopy N' Friends: Gravity Falls

Molly McGee

as Nana Molly in Snoopy N' Friends: Gravity Falls

Woodstock

as Woodstock in Snoopy N' Friends: Gravity Falls

Snoopy

as Snoopy in Snoopy N' Friends: Gravity Falls

Like WOW

as Soundtrack in The Adventures Of Sid And Diego 4

Dream Weaver

as Soundtrack in The Adventures Of Sid And Diego 4

Livin' la Vida Loca

as Soundtrack in The Adventures Of Sid And Diego 4