No, it's not appropriate. Cultural representation should be accurate and respectful. Using a white actor for an Asian character can lead to misrepresentation and perpetuate stereotypes.
Anime seems to be more popular as it offers dynamic visuals and audio, making the story more immersive. But manga and comic hentai also have their dedicated fan bases depending on individual preferences.
I have no definite idea. It could be that these toot toot black cartoon birds are featured in a Christmas parade or play a role in a Christmas game. Maybe they have special powers or tasks during the Christmas season. But without more details, it's difficult to tell for sure.
Typically, 'aguila caricatura' plays with proportions and expressions of the eagle. It could use bright colors or unusual poses to draw attention and add a touch of creativity and entertainment.
The caricature portrait of Tulla Larsen might emphasize her distinct facial features or capture a particular expression that showcases her personality.