The tag alias #69630 sixpixpen -> tofffffu has been approved.

Reason: sixpixpen is the Twitter username, but the artist uses tofffffu as the tumblr username, as well as the display name on all websites (including Twitter)

EDIT: The tag alias sixpixpen -> tofffffu (forum #401998) has been approved by @Rainbow_Dash.

Yep that's correct.
Links for validation:
https://twitter.com/sixpixpen_ which links to https://www.pixiv.net/en/users/10269844 which links back to twitter, and to tumblr

The tag alias sixpixpen -> tofffffu (forum #401998) has been approved by @Rainbow_Dash.