First, check if the article already exists by using the search bar. If it doesn't, click on the red link to create the article. Then add the following Template, filling in details as available. Leave sections you do not have information for blank, or remove that row entirely.
{{Infobox artist
| image = FILENAME
| caption =
| website =
| deviantart =
| instagram =
| tumblr =
| twitter =
| patreon =
}}