public function col_creatorlastname($data) {
        // We have loaded all the name fields for the creator, with the 'creator' prefix.
        // So just remove the prefix and make up a user object.
        $user = [];
        foreach ($data as $key => $value) {
            if (strpos($key, 'creator') !== false) {
                $newkey = str_replace('creator', '', $key);
                $user[$newkey] = $value;
            }
        }

        $creatorprofileurl = new \moodle_url('/user/profile.php', ['id' => $data->creatorid]);
        return \html_writer::link($creatorprofileurl, fullname((object)$user));
    }